Biological Specimen Collections of Bhutan Research Checklist: Trees and Shrubs of the Royal Botanical Garden, Serbithang

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Home >> Trees and Shrubs of the Royal Botanical Garden, Serbithang Trees and Shrubs of the Royal Botanical Garden, Serbithang Name Game Flash Card Quiz Authors: Nima Gyeltshen and Michael B. Thomas Citation: Gyeltshen, N. and M.B. Thomas. 2017. Checklist of the Trees and Shrubs of the Royal Botanical Garden, Serbithang. Royal Botanical Garden, Serbithang, National Biodiversity Centre (NBC), Ministry of Agriculture and Forests. Serbithang, Thimphu, Bhutan. 123 p. More Details Less Details Locality: Bhutan (27.425290, 89.650010) Abstract: The Royal Botanical Garden, Serbithang was established in 1999 under National Biodiversity Centre, Ministry of Agriculture and Forests, Serbitang as an ex-situ plant conservation area and to commemorate the Silver Jubilee Celebration of the 4th King of Bhutan, His Majesty Jigme Singye Wangchuck. One of the main mandates of the Royal Botanical Garden Serbithang (RBGS) under the National Biodiversity Centre is ex-situ conservation of native plants. Since the establishment of the garden, the living collections of orchids, trees, shrubs and herbs have steadily increased. The garden has grown from degraded pasture land to a dense forest with more than 500 plant species, comprising trees, shrubs and herbs from sub-tropical, temperate, and sub-alpine regions of the country. In order to document the diversity of collections at the garden as well as to educate visitors, this checklist documents the diversity in the garden. Reference: Gyeltshen, N., S. Dema, K. Tobgay, T. Wangchuk, and C. Gyeltshen. 2017. A Pictorial Guide to the Trees and Shrubs of Royal Botanical Garden, Serbithang, Vol. II. Royal Botanical Garden, Serbithang National Biodiversity Centre (NBC) Ministry of Agriculture and Forests Serbithang, Thimphu, Bhutan. 123 p. Options Search: Common Names Synonyms Filter: Common Names Display as Images Notes & Vouchers Taxon Authors Show Taxa Alphabetically Simple Map Advanced Map Families: 40 Genera: 75 Species: 112 (species rank) Total Taxa: 113 (including subsp. and var.) *Abies densa* Griff. - Eastern Himalayan Fir Evergreen tree up to 40 m., Flowering: April-May.; Nima Gyeltshen 1 [NBC] *Acer campbellii* Hiern. - Maple Deciduous tree up to 20 m., Flowering: April-May.; A.J.C. Grierson 1038 [THIM] , A.J.C. Grierson 4138 [THIM] , A.J.C. Grierson 1820 [THIM] , A.J.C. Grierson 4440 [THIM] , more......less *Acer cappadocicum* Gled. - Maple Tree up to 15 m., Flowering: April-May. *Acer palmatum* Thunb. - Maple Tree up to 15 m., Flowering: April-May. *Agapetes serpens* (Wight) Sleumer Pendulous epiphytic shrub, 0.5-1.5 m., Flowering: February-May.; S. Miehe & D.B.Gurung 00-456-02 [THIM] *Alnus nepalensis* D.Don - Alder Tree up to 20 m., Flowering: July-October.; A.J.C. Grierson... 4115 [THIM] , R. Nawang & S. Tshering 159 [THIM] , R.P. & S.W. 412/G./93 [THIM] , R.Yangzom 60 [THIM] *Araucaria araucana* (Molina) K. Koch - Monkey Puzzle Tree Evergreen tree up to 40 m., Flowering: March-April. *Ardisia macrocarpa* Wall. Shrub 0.6-1.5 m., Flowering: May-July.; A.J.C. Grierson... 2022 [THIM] , A.J.C. Grierson... 3045 [THIM] , A.J.C. Grierson... 1186 [THIM] , A.J.C. Grierson... 435 [THIM] , more...S. Tshering 37 [THIM] ...less *Benthamidia capitata* Wall. Small tree 3-5 (10) m., Flowering: May-July.; S. Miehe & D.B.Gurung 00-491-01 [THIM] *Berberis angulosa* Hook. f. & Thomson Shrub 1-1.5 m, deciduous., Flowering: May-June. *Berberis aristata* DC. Shrub 1-3 m, deciduous., Flowering: April-May.; Ramesh Bedi 47 [THIM] *Berberis asiatica* DC. Evergreen shrub 1-3 m., Flowering: April-May.; A.J.C. Grierson... 1023 [THIM] , A.J.C. Grierson... 4394 [THIM] , A.J.C. Grierson... 4727 [THIM] , A.J.C. Grierson... 4524 [THIM] , more......less *Buddleja asiatica* Lour. Shrub up to 5 m., Flowering: January- March.; A.J.C. Grierson... 825 [THIM] , A.J.C. Grierson... 1069 [THIM] , 1619 Bigger 2816 [THIM] *Buddleja crispa* Benth. Deciduous shrub 1.5-3(-5) m., Flowering: January- March. *Castanopsis indica* (Roxb.) A. DC. Tree 3-20 m., Flowering: September-May.; A.J.C. Grierson... 3179 [THIM] , A.J.C. Grierson... 4329 [THIM] , A.J.C. Grierson... 3517 [THIM] , R.E. Cooper... 3663 [THIM] , more...R. Yangzom & S. Tshering 383 [THIM] ...less *Castanopsis tribuloides* (Sm.) A.DC. Tree 3-30 m., Flowering: April-June (-September).; A.J.C. Grierson... 4635 [THIM] , A.J.C. Grierson... 3877 [THIM] , A.J.C. Grierson... 1153 [THIM] , A.J.C. Grierson... 3156 [THIM] , more......less *Cedrus deodara* (D. Don) G. Don. - Deodar Tree 60 m or more., Flowering: April-June. *Ceratostigma griffithii* C.B.Clarke Bushy subshrub 0.5-1.5 m., Flowering: June-October.; I.W.J. Sinclair... 4796 [THIM] , I.W.J. Sinclair... 5641 [THIM] , S. Miehe & D.B.Gurung 00-456-01 [THIM] *Chaenomeles lagenaria* (Loiseleur) Koidzumi - Quince Shrub or tree 1-4 m., Flowering: April. *Colquhounia sp.* Shrub 1.5-5 m., Flowering: July-January. *Coriaria napalensis* Wall. Shrub 1- 2.5 m., Flowering: April-May.; A.J.C. Grierson... 4411 [THIM] , A.J.C. Grierson 2310 [THIM] , Chris Parker 7275 [THIM] *Corylopsis himalayana* Griff. Shrub or small tree up to 7 m., Flowering: February-April.; A.J.C. Grierson 4599 [THIM] , A.J.C. Grierson 2230 [THIM] , J.R.I. Wood 6180 [THIM] , R. Nawang 301 [THIM] , more......less *Corylus ferox* Wall. Small tree 5-10 m., Flowering: November-December.; J.R.I. Wood 5525 [THIM] , J.R.I. Wood 6028 [THIM] , J.R.I. Wood 6019 [THIM] , J.R.I. Wood 6028 [THIM] , more...R.E. Cooper 3575 [THIM] ...less *Cotoneaster microphyllus* Wall. ex Lindl. Low growing much branched shrub, 1.5 m., Flowering: April-July.; A.J.C. Grierson 233 [THIM] , Ramesh Bedi 108 [THIM] *Cryptomeria japonica* (Thunb. ex L.f.) D.Don - Japanese red-cedar Tree 40-70 m., Flowering: March-April.; R. Yangzom... 644 [THIM] *Cupressus corneyana* Carrièr - Weeping Cypress Evergreen tree up to 30 m., Flowering: May-July.; R. Yangzom... 584 [THIM] , R. Yangzom 583 [THIM] , R. Yangzom 585 [THIM] , R. Yangzom 586 [THIM] , more......less *Daphne bholua* D. Don Shrub 1-3.5 m, evergreen., Flowering: February-May.; A.J.C. Grierson 334 [THIM] , A.J.C. Grierson 3050 [THIM] , A.J.C. Grierson 4413 [THIM] , A.J.C. Grierson 4452 [THIM] , more......less *Docynia indica* (Wall.) Dene. - Assam Apple Tree 4-10 m., Flowering: March-May.; A.J.C. Grierson... 1995 [THIM] , A.J.C. Grierson 4188 [THIM] , A.J.C. Grierson 1995 [THIM] , A.J.C. Grierson... 4188 [THIM] *Edgeworthia gardneri* (Wall.) Meisn. Shrub 2-4 m., Flowering: February-May.; A.J.C. Grierson 4216 [THIM] , A.J.C. Grierson 3028 [THIM] , R. Yangzom 478 [THIM] , T. Wangdi 127 [THIM] , more......less *Elaeagnus parvifolia* Wall. ex Royle Spiny shrub 1-5 m., Flowering: March-June.; A.J.C. Grierson 886 [THIM] , A.J.C. Grierson... 2087 [THIM] , A.J.C. Grierson... 4501 [THIM] , R.E. Cooper... 1376 [THIM] *Elsholtzia fruticosa* (D.Don) Rehder Shrub, 1-5 m., Flowering: August-October. *Enkianthus deflexus* (Griff.) C.K.Schneid. Shrub or small tree 3-6 m., Flowering: May-June.; Ngawang Gyeltshen... 67 [THIM] *Erythrina arborescens* Roxb. Tree 5-15 m., Flowering: July-August.; A.J.C. Grierson 2636 [THIM] , A.J.C. Grierson 3113 [THIM] *Euonymus grandiflorus* Wall. Small tree 3-5 (10) m., Flowering: May-June.; A.J.C. Grierson 1221 [THIM] , A.J.C. Grierson 1027 [THIM] , N. Gyeltshen 1 [THIM] , THIM04524 2882 [THIM] *Euonymus lucidus* D.Don Evergreen tree 6-12 m., Flowering: May.; R. Yangzom 309 [THIM] *Eurya acuminata* DC. Small tree up to 12 m., Flowering: August-November.; A.J.Grierson 4005 [THIM] , A.J.Grierson 4203 [THIM] , A.J.Grierson 3164 [THIM] *Fraxinus floribunda* Wall. - Himalayan Manna Ash Medium tree up to 20 m., Flowering: April.; A.J.C. Grierson... 4560 [THIM] *Fraxinus paxiana* Lingelsh. Medium tree., Flowering: May-June. *Hippophae salicifolia* D.Don Shrub or small tree up to 5 m., Flowering: April-July.; A.J.C. Grierson 1024 [THIM] , A.J.C. Grierson 4464 [THIM] , R.E. Cooper 3579 [THIM] , R.E. Cooper 1494 [THIM] , more...R. Yangzom 52 [THIM] ...less *Hydrangea heteromalla* D. Don Tree 2-10 m., Flowering: June-August.; A.J.C. Grierson 573 [THIM] , R.E. Cooper e 1455 [THIM] , R.P. 427 [THIM] , S. Bowes Lyon 15007 [THIM] , more...T. Wangdi 10 [THIM] ...less *Hypericum choisianum* Robson Bushy shrub 1-2 m., Flowering: June-July.; A.J.C. Grierson 2540 [THIM] , J.R.I. Wood 5629 [THIM] , R.Yangzom 131 [THIM] , T. Wangdi 214 [THIM] *Ilex dipyrena* Wall. - Himalayan Holly Evergreen tree up to 12 m., Flowering: April-May.; A.J.C. Grierson 4478 [THIM] *Illicium griffithii* Hook. f. & Thomson - Star Anise Glabrous shrub or small tree., Flowering: April-May.; Dr. Purna B. Chhetri 1 [THIM] , S. Dorji 1 [THIM] , S. Tshering 87 [THIM] *Jasminum humile* L. Large bushy shrub 1.5-5 m., Flowering: May-July.; I.W.J. Sinclair... 5020 [THIM] , Ramesh Bedi 187 [THIM] , Ramesh Bedi 56 [THIM] , Ramesh Bedi 286 [THIM] *Juglans regia* L. - Walnut Tree 6-25 m., Flowering: April-May. *Juniperus recurva* D. Don - Weeping Blue Juniper Evergreen tree to 20 m., Flowering: March-May.; S. Miehe 00-437-09 [THIM] *Larix griffithii* Hook.f. - Larch Deciduous conifer tree 10-20 m., Flowering: April-May. *Leycesteria formosa* Wall. Shrub, 2-5 m., Flowering: June-August.; A.J.C. Grierson... 239 [THIM] , G. & S. Miehe 00-144-03 [THIM] , R.E. Cooper... 4535 [THIM] , R.E. Cooper... 4406 [THIM] , more......less *Ligustrum compactum* (G. Don) Brandis Small tree., Flowering: June-July. *Ligustrum confusum* Decne. Small tree, 3-11 m., Flowering: June-July.; A.J.C. Grierson... 289 [THIM] , A.J.C. Grierson... 4504 [THIM] *Lonicera quinquelocularis* Hard. Shrub 2.5 m or small tree up to 5 m., Flowering: April-June.; A.J.C. Grierson... 4725 [THIM] *Lyonia ovalifolia* (Wall.) Drude Deciduous or semi-evergreen shrub or tree 2-10 m., Flowering: May-August.; A.J.C. Grierson... 1048 [THIM] *Magnolia campbellii* Hook.f. & Thomson - Magnolia Deciduous tree 12-15 m., Flowering: March-May.; Bigger 2818 [THIM] , N.Gyeltshen... 73 [THIM] , Ramesh Bedi 636 [THIM] *Magnolia liliiflora* Desr. - Woody Orchid Deciduous shrub up to 4 m., Flowering: April-June. *Mahonia napaulensis* DC. Shrub 1-3 m., Flowering: April-May.; C.Gyeltshen, TD&CG26 [THIM] , J.R.I. Wood 6108 [THIM] , R. Yangzom & Chokimo 44 [THIM] *Malus baccata* (L.) Borkh. Small tree 3-5 m., Flowering: April-May.; A.J.C. Grierson 1822 [THIM] , A.J.C. Grierson 4432 [THIM] , A.J.C. Grierson 241 [THIM] , A.J.C. Grierson... 4694 [THIM] , more......less *Malus pumila* Mill. - Apple Shrub or tree to 10 m., Flowering: April.; A.J.C. Grierson 4705 [THIM] , A.J.C. Grierson... 4705 [THIM] *Melia azedarach* L. - Bead-tree Tree 6-15 m., Flowering: March-May.; A.J.C. Grierson 2701 [THIM] , A.J.C. Grierson 439 [THIM] , A.J.C. Grierson 965 [THIM] *Morus australis* Poir. - Mulberry Deciduous shrub up to 10 m., Flowering: March-April.; A.J.C. Grierson... 1197 [THIM] , A.J.C. Grierson... 3322 [THIM] , A.J.C. Grierson... 810 [THIM] , A.J.C. Grierson... 2976 [THIM] , more...A.J.C. Grierson... 3648 [THIM] ...less *Osmanthus suavis* Clarke Small tree 2-10 m., Flowering: March-May.; A.J.C. Grierson... 4486 [THIM] , A.J.C. Grierson... 4418 [THIM] *Philadelphus tomentosus* G. Don. Shrubs 2-6 m., Flowering: May-July.; A.J.C. Grierson 1096 [THIM] , N. Gyeltshen 04 [THIM] , T. Wangdi 218 [THIM] *Picea spinulosa* (Griff.) A.Henry - Eastern Himalayan Spruce Evergreen tree up to 60 m., Flowering: April-May. *Pieris formosa* (Wall.) D. Don Small shrub 1-5 m., Flowering: February-June. *Pinus bhutanica* Grierson, D.G.Long & C.N.Page - Bhutan white pine Evergreen conifer tree 12 , Flowering: April-May.; R. Yangzom... 692 [THIM] *Pinus roxburghii* Sarg. - Chir Pine Conifer tree up to 30 m., Flowering: March-May. *Pinus wallichiana* A.B.Jacks. - Blue Pine Evergreen tree 12-30 m., Flowering: April-May. *Piptanthus nepalensis* (Hook.) Sweet Shrub, 1-2.5 m., Flowering: April-May; A.J.C. Grierson 4427 [THIM] , R.E. Cooper 2516 [THIM] , R.E. Cooper 2269 [THIM] , R.E. Cooper 1940 [THIM] , more...Bigger 2831 [THIM] ...less *Platanus x acerifolia* (Aiton) Willd. - Hybrid Plane Deciduous tree up to 30 m., Flowering: March-April. *Populus ciliata* Royle Tree 20-25 m., Flowering: March-April. *Populus rotundifolia* L. Shrub or tree 2-10 m., Flowering: March-May. *Prinsepia utilis* Royle Shrub 1 -4 m., Flowering: March - April.; A.J.Grierson 4424 [THIM] , A.J.Grierson 1029 [THIM] , A.J.Grierson 1755 [THIM] , A.J.Grierson 4722 [THIM] , more......less *Prunus napaulensis* (Ser.) Steud. Tree up to 20 m., Flowering: April *Prunus persica* (L.) Batsch. - Peach Tree 3-10 m., Flowering: February ; A.J.Grierson 4186 [THIM] , A.J.Grierson 962 [THIM] , Bigger 2840 [THIM] , Ramesh Bedi 297 [THIM] *Punica granatum* L. - Pomegranate Shrub or small tree, 2-3 m., Flowering: March-July. *Quercus glauca* Thunb. Tree 7-20 m., Flowering: March-April.; A.J.C. Grierson... 4541 [THIM] , A.J.C. Grierson... 4147 [THIM] , A.J.C. Grierson... 3231 [THIM] , R.E. Cooper... 3100 [THIM] , more......less *Quercus griffithii* Miquel. - Oak Deciduous tree 10-25 m., Flowering: April.; A.J.C. Grierson... 4145 [THIM] , A.J.C. Grierson... 2881 [THIM] , A.J.C. Grierson... 1663 [THIM] , A.J.C. Grierson... 2439 [THIM] , more......less *Quercus lanata* Sm. Evergreen tree 10-23 m., Flowering: April-June.; A.J.C. Grierson... 1071 [THIM] , A.J.C. Grierson... 1149 [THIM] , A.J.C. Grierson... 2237 [THIM] , J.R.I. Wood 6009 [THIM] , more......less *Quercus semecarpifolia* Sm. Low shrub 2 m or tree up to 25 m., Flowering: May-June.; A.J.C. Grierson... 934 [THIM] , A.J.C. Grierson... 336 [THIM] , Ijssel, Van. W.J. 1991-00-00 [THIM] , Ijssel, Van. W.J. 18 [THIM] , more......less *Rhododendron arboreum* Sm. Shrub 1- 2 m or tree up to 15 m., Flowering: March-May.; A.J.C. Grierson... 604 [THIM] , S. Tshering 348 [THIM] , T. Wangdi & S. Gyeltshen 223 [THIM] , T. Wangdi... 301 [THIM] , more......less *Rhododendron barbatum* Wall. ex G. Don. Small tree 2-6 m., Flowering: : April-May.; A.J.C. Grierson... 4711 [THIM] , Chris Parker 7282 [THIM] , R.E. Cooper... 3507 [THIM] , R.P. 115 [THIM] *Rhododendron cinnabarinum* Hook. f. Shrub or small tree 2-6 m., Flowering: April-July.; H.Kanai... 1967-05-15 [THIM] , R.P. 124 [THIM] , R.Yangzom 148 [THIM] , Ramesh Bedi 30 [THIM] , more......less *Rhododendron dalhousiae* Hook. f. Epiphytic shrub 1-2(-4) m., Flowering: April-July.; S. Miehe 00-452-04 [THIM] *Rhododendron edgeworthii* Hook. f. Shrub 1-4 m., Flowering: April-May.; A.J.C. Grierson... 1263 [THIM] , R.P. 130 [THIM] *Rhododendron falconeri* Hook.f. Tree up to 5-15 m., Flowering: April-May.; J.R.I. Wood 6239 [THIM] , R. Pradhan 103 [THIM] *Rhododendron grande* Wight Tree 8-15 m., Flowering: February-April.; R.E. Cooper... 4084 [THIM] , 8845 Bigger 2803 [THIM] *Rhododendron griffithianum* Wight Small tree, 2-10 m., Flowering: April-May.; S. Miehe & D.B.Gurung 00-480-01 [THIM] *Rhododendron kesangiae* D.G. Long & Rushforth Tree 5-15 m., Flowering: April-May.; R. Pradhan 36 [THIM] , Rebecca 119 [THIM] *Rhododendron keysii* Nutt. Shrub 1.5-6 m., Flowering: May-September.; S. Miehe 00-432-01 [THIM] , T. Wangdi & S. Gyeltshen 221 [THIM] , T. Wangdi &... 221 [THIM] , W. J. Von yssel 22 (FRDHNO 4943) [THIM] , more......less *Rhododendron lindleyi* T. Moore Shrub 1-4 m., Flowering: April-May. *Rhododendron maddenii* Hook. f. Shrub up to 4 m., Flowering: May-July. *Rhododendron thomsonii* Hook. f. Shrub 1.5-5 m., Flowering: April-July.; J.R.I. Wood 7375 [THIM] , Pasdme lend 1991-05-01 [THIM] , Rebecca 104 [THIM] , T. Wangdi... 298 [THIM] , more......less *Rhododendron virgatum* Hook. f. Shrub 0.4-1.3 m., Flowering: April-May.; R. Pradhan 112 [THIM] *Rhus chinensis* Mill. Small tree up to 10 m., Flowering: July-September.; R. Nawang 257 [THIM] , R.P. 403 [THIM] , S. Tshering 259 [THIM] *Rhus hookeri* (K.C. Sahni & Bahadur) C.Y. Wu & T.L. Ming Deciduous medium tree up to 13 m., Flowering: July.; A.J.C. Grierson 2378 [THIM] , R.E. Cooper 1183 [THIM] *Robinia pseudoacacia* L. - Black Locust Medium-size deciduous tree up to 25 m., Flowering: May-June. *Rosa macrophylla* Lindl. - Rose Erect shrub 1-5 m., Flowering: June-July.; A.J.Grierson 304 [THIM] , A.J.Grierson 1733 [THIM] , Ramesh Bedi 1191 [THIM] , Ramesh Bedi 1171 [THIM] , more......less *Rosa sericea* Lindl. Erect shrub 1-4 m., Flowering: April-June.; A.J.Grierson 2725 [THIM] , G. & S. Miehe 00-152-01 [THIM] , N. Bambrough 27 [THIM] , Ramesh Bedi 611 [THIM] , more......less *Rubus biflorus* Smith Shrub 1-2 m., Flowering: May-June.; A.J.Grierson 1137 [THIM] , A.J.Grierson 617 [THIM] , Ramesh Bedi 201 [THIM] *Rubus ellipticus* Sm. Robust scrambling shrub 2-3 m., Flowering: February-April.; A.Baskon 2 [THIM] , A.J.Grierson 3035 [THIM] , Bigger 2814 [THIM] , R. Yangzom 479 [THIM] *Salix babylonica* L. - Weeping Willow Tree 4-20 m., Flowering: March-April. *Salix wallichiana* Roxb. ex D. Don. - Willow Tree 2-10 m., Flowering: March-April. *Swida oblonga* Wall. Small tree to 5-8 m., Flowering: December. *Symplocos paniculata* (Thunb.) Miq. Tree or shrub 3-10 m., Flowering: April-June. *Symplocos ramosissima* G. Don. Small tree 5-10 m., Flowering: May-July.; S. Tshering 1989-08-29 [THIM] *Symplocos sumuntia* D. Don Tree or shrub 3-10 m., Flowering: April.; A.J.C. Grierson... 4398 [THIM] , A.J.C. Grierson... 4608 [THIM] , R.Ngawang & S. Tshering RD 2379 [THIM] , S. Miehe & D.B.Gurung 00-495-02 [THIM] , more...S. Miehe & D.B.Gurung 00-496-01 [THIM] ...less *Taxus baccata* L. Dioecious evergreen tree 5-12 m., Flowering: March-April. *Tetracentron sinense* Oliver - Tetracentron Tree up to 30 m., Flowering: April-May. *Thuja orientalis* (L.) Franco - Chinese Arbor-vitae Trees or shrubs up to 10 m., Flowering: March-May. *Toricellia tiliifolia* DC. Tree or shrub, 2.5-5 m., Flowering: April.; A.J.C. Grierson... 4538 [THIM] , A.J.C. Grierson... 1152a [THIM] , A.J.C. Grierson... 4395 [THIM] , J.R.I. Wood 6224 [THIM] , more...R. Yangzom & S. Tshering 307 [THIM] ...less *Tsuga dumosa* (D.Don) Eichler - Himalayan Hemlock Evergreen tree 12-40 m., Flowering: May-June. *Viburnum cotinifolium* D. Don Deciduous shrub, 2-5 m., Flowering: April-June.; A.J.C. Grierson... 4696 [THIM] , A.J.C. Grierson... 938 [THIM] , R.E. Cooper... 1429 [THIM] , R. King 1059 [THIM] *Viburnum cylindricum* D. Don Evergreen shrub, 2-6 m., Flowering: March-April.; A.J.C. Grierson... 4664 [THIM] , R. Yangzom... 260 [THIM] , R. Yangzom... 260 [THIM] , S. Miehe & D.B.Gurung 00-489-20 [THIM] , more......less *Zanthoxylum armatum* D.C. Shrub or tree 4-10 m., Flowering: March ; A.J.C. Grierson 933 [THIM] , A.J.C. Grierson 4328 [THIM] , R.E. Cooper... 1602 [THIM]