Vasilis Teodoridis:
29. Lasianthus rhinocerotis Bl.; Bijdr.: 996. 1826-1827.
Shrubs; 1-3 m tall; branches and branchlets densely villous. Leaves coriaceous; oblong-lanceolate or lanceolate; 15-21 cm long; 4-7 cm broad; the apex caudate-acuminate; the base broadly cuneate to sub-rounded; rounded or slightly cordate; glabrous above; densely villous beneath; nerves 7-12 pairs; nervules parallel to sub reticulate; nerves and nervules elevated conspicuously beneath; petioles 5-10 mm long; densely brown villous; stipules inconspicuous to stipules triangular. Cymes shortly peduncled; peduncles densely villous; bracts numerous; linear or filiform; 6-12 mm long; densely brown villous. Flowers sessile; calyx tube 4 mm long; sparsely pilose outside; with usually 6 lobes; calyx lobes linear- lanceolate; 3 mm long; densely pilose; corolla c. 7 mm long; the tube 4 mm long; with 5 lobes; the lobes oblong; 3 mm long; densely hairy outside. Fruits subglobose or obovate; 4 mm diam.; hairy or subglabrous; slightly longitudinally angled; crowned with calyx lobes; pyrenes 4-5.
Forests; shaded and wet places; 300-1600 m. Guangxi; Hainan; Yunnan [North Vietnam; Thailand; Malaysia (Peninsula and Borneo); Indonesia (Sumatra; Java)].
1a. Leaf bases rounded or slightly cordate; stipules triangular; c. 3 mm long; bracts slender; filiform.
2a. Densely hairs on young branches and leaf lower surface; leaves coriaceous with 9-12 pairs of nerves and densely anastomosing; parallel nervules. ……………
…………………………………………….……………. 29a. subsp. rhinocerotis
2b. Sparsely hairs on young branches and leaf lower surface; leaves chartaceous with 7-8 pairs of nerves and loosely anastomosing; subreticulate nervules
……………….. …………………….…….. 29b. subsp. xishuangbannaensis
1b. Leaf bases broadly cuneate to subrounded; stipules inconspicuous; bracts relatively thick; linear ....………............…………………… 29c. subsp. pedunculatus
29a Lasianthus rhinocerotis Bl. subsp. rhinocerotis
Forests; shaded and wet places. Not in China [Thailand; Malaysia (Peninsula and Borneo); Indonesia (Sumatra; Java)].
29b. Lasianthus rhinocerotis Bl. subsp. xishuangbannaensis H.Zhu & H.Wang; Acta Phytotax. Sin. 38 (3): 282. 2000.
?????(??) ban na cu ye mu (ya zhong)
Sparsely hairs on young branches and leaf lower surface; leaves chartaceous with 7-8 pairs of nerves and loosely anastomosing; subreticulate nervules
Montane forests; shaded and wet places; 1500-1600 m. S Yunnan [Thailand].
29c. Lasianthus rhinocerotis subsp. pedunculatus (Pitard) H.Zhu; Acta Bot. Yun. 20 (2): 154. 1998.
?????(??) huang mao cu ye mu (ya zhong)
Lasianthus rhinocerotis var. pedunculata Pitard in Lecomte; Fl. Gén. Indo-Chine 3: 395. 1924; Lasianthus koi Merr. & Chun.
Leaf bases broadly cuneate to subrounded; stipules inconspicuous; bracts relatively thick; linear.
Forests; shaded and wet places; 300-1000 m. Guangxi; Hainan; Yunnan [North Vietnam].