Acilepis silhetensis
| Notice: | This page is derived from the original publication listed below, whose author(s) should always be credited. Further contributors may edit and improve the content of this page and, consequently, need to be credited as well (see page history). Any assessment of factual correctness requires a careful review of the original article as well as of subsequent contributions.
If you are uncertain whether your planned contribution is correct or not, we suggest that you use the associated discussion page instead of editing the page directly. This page should be cited as follows (rationale):
Citation formats to copy and paste
BibTeX: @article{Bunwong2014PhytoKeys37, RIS/ Endnote: TY - JOUR Wikipedia/ Citizendium: <ref name="Bunwong2014PhytoKeys37">{{Citation See also the citation download page at the journal. |
Ordo: Asterales
Familia: Asteraceae
Genus: Acilepis
Name
Acilepis silhetensis (DC.) H.Rob., Proc. Biol. Soc. Washington 112(1): 227. 1999. – Wikispecies link – IPNI link – Pensoft Profile
- Vernonia bracteata Wall., Numer. List [Wallich] no. 2921, comp. no. 31, nom. nud.
- Decaneurum silhetense DC., Prodr. 5: 67. 1836.
- Vernonia silhetensis (DC.) Hand.-Mazz., Symb. Sin. 7: 1084. 1936.
Type
India, Silhet; Wallich 2921 (holotype: E!). Fig. 5H.
Description
Perennial herbs, 1–3 m tall. Stems erect, inconspicuously ribbed, pilose. Leaves 7–12 by 2–4 cm, lanceolate or oblanceolate, margin serrate, apex acute or acuminate, base attenuate, subcoriaceous; both surfaces scabrous with whip-shaped hairs and capitate glands; lateral veins 5–10-paired; petioles up to 1 cm long. Capitulescences terminal, paniculate or solitary. Capitula campanulate, 15–20 mm long, pedunculate. Receptacle flat, 6–10 mm in diam., hairy. Involucres in 6–7 series, 11–18 mm long, 10–15 mm in diam., herbaceous, campanulate. Phyllaries dark purple or green with purple apex, margin piliferous, outer surface arachnoid lacking glands; the outer and the middle ones ovate, apex acuminate, upper half strongly reflexed; the inner ones ovate-lanceolate to oblong, apex acuminate or aristate. Florets 50–75; corollas funnelform, purple, glandular; corolla tubes 8–12 mm long; corolla lobes 3.5–5 mm long. Anthers 3.5–4.5 mm long, apical appendage acute, base obtuse. Styles purple, 10–12 mm long, branches 3.5–4.5 mm long. Achenes subterete, 4–5 mm long, 10-ribbed, glandular. Pappus bristles, the inner ones 6.5–8 mm long.
Distribution
Thailand: Mae Hong Son, Chiang Mai, Lamphun, Lampang, Phetchabun, Loei, Khon Kaen. China, India, Bhutan, Myanmar, Laos, Myanmar.
Specimens examined
Thailand, Chiang Mai, Queen Sirikit botanic garden, 18°53.89'N, 98°51.61'E, 10 Dec 2007, S. Bunwong 364 (KKU, US); Mae Hong Son, Pai, 20 Oct 1979, T. Shimizu, H. Toyokuni, H. Koyama, T. Yahama & T. Santisuk T-20113 (BKF, L); Chiang Mai, Doi Chiangdao, Nov 25 1963, Adisai 714 (BK); Doi Chiangdao, 24 Jul 1998, K. Buchuai 279 (AAU, BKF); Doi Chiangdao, 16 Dec 1983, N. Fukuoka & M. Ito T-35208 (BKF); Doi Chiangdao,3 Dec 1984, H. Koyama T-39781 (BKF, L); Doi Chiangdao, 5 Aug 1988, H. Koyama T- 61104 (BKF); Doi Chiangdao,29 Nov 1984, H. Koyama, T. Yahara, H. Nagamasu, W. Nanakorn & N. Nantasan T-39710 (AAU, BKF, L); Doi Chiangdao, 30 Nov 1984, H. Koyama, T. Yahara, H. Nagamasu, W. Nanakorn & N. Nantasan T- 39736 (BKF, L); Doi Chiangdao, 4 Nov 1995, J.F. Maxwell 95-1065 (CMU, BKF); Doi Chiangdao, 13 Oct 1931, Put 311 (BK, BM, K); Chiang Mai, Doi Sutep, 6 Oct 1982, Konta Th. Wongprasert & B. Sangkhachand 29741 (BKF); Doi Sutep,28 Nov 1984, H. Koyama, S. Mitsuta, T. Yahara & H. Nagamasu T-39671 (BKF, L); Doi Inthanon, 6 Dec 1984, S. Mitsuta, T. Yamada & H. Nagamazu T-46454 (BKF); Doi Inthanon, 1 Oct 1971, G. Murata, K. Iwatsuki, C. Phengklai & C. Charoenpol T-15497 (BKF); Doi Inthanon, 1 Oct 1971, G. Murata, K. Iwatsuki, C. Phengklai & C. Charoenpol T-15498 (BKF, P); Mae Rim, 21 Dec, 1985, Y. Paisooksantivatana 1645b-85 (BK); Mae Rim, 26 Dec 1987, R. Pooma 43 (BKF); Lampang, Jae son national park, 2 Dec 1995, J.F. Maxwell 95-1227 (BKF, L); Doi Khun Tan, 2 Jan 1985, H. Koyama & C. Phengklai T-39197 (BKF, L); Phetchabun, Namnao national park, 18 Nov 1973, J.F. Maxwell 73-636 (AAU, BK, BKF); Loei, Phu Kradung, 24 Dec 1991, Dee 195 (E); Phu Kradung, 21 Oct 1989, Din 125 (BKF); Phu Kradung, 19 Dec 1982, H. Koyama, H. Terao & Th. Wongprasert T-31330 (C, BKF); Phu Kradung, 5 Sep 1988, R. Pooma 62 (BKF); Phu Kradung, 21 Oct 1967, Prayad 1076 (BK); Khon Kaen, route to Nam Nao national park, 18 Nov 1979, T. Shimizu, H. Toyokuni, H. Koyama, T. Yahama & T. Santisuk T-22531 (BKF, L).
Diagnostic characters
This species is distinguished by its strongly reflexed phyllaries and glandular achenes lacking trichomes.
Ecology
Dipterocarp or pine-oak forest, alt. 700–1350 m; flowering August to January.
Vernacular names
Phak Phet Kao Kum (ผักเผ็ดข้าวกํ่า), Ya Klung (หญ้าคลัง), Ya Hang Nok Kiew (หญ้าหางนกเขียว), Hudsakuen (หัสคึน).
Taxon Treatment
- Bunwong, S; Chantaranothai, P; Keeley, S; 2014: Revisions and key to the Vernonieae (Compositae) of Thailand PhytoKeys, 37: 25-101. doi
Images
|
