Monosis parishii (Hook.f.) H.Rob. & Skvarla, Proc. Biol. Soc. Washington 119(4): 605. 2006.

Bunwong, Sukhonthip, Chantaranothai, Pranom & Keeley, Sterling C., 2014, Revisions and key to the Vernonieae (Compositae) of Thailand, PhytoKeys 37, pp. 25-101 : 80-81

Monosis parishii (Hook.f.) H.Rob. & Skvarla, Proc. Biol. Soc. Washington 119(4): 605. 2006.

Vernonia parishii Hook.f., Fl. Br. Ind. 3: 240. 1882.

Type.

Myanmar, Attran, Parish 103 (holotype: K!). Fig. 9H .

Description.

Shrubs or subshrubs, 1-3 m tall. Stems erect, young branches inconspicuously ribbed, ferruginous tomentose. Leaves 10-26 by 3-11 cm, ovate or elliptic, margin serrate, apex acute, base attenuate, coriaceous; upper surface ferruginous puberulous without glands; lower surface ferruginous tomentose with flagellate hairs and capitate glands; lateral veins 11-13-paired; petioles up to 3 cm long. Capitulescences terminal, thyrsoid paniculate. Capitula narrowly campanulate or slightly oblong-cylindrical, 6-7 mm long, subsessile or pedunculate. Receptacle flat, 2-3 mm in diam., glabrous. Involucres narrowly campanulate, in 4-5 series, 4-5 mm long, 2.5-3 mm in diam. Phyllaries imbricate, purple or green with purple apex, margin piliferous, outer surface arachnoid without glands; the outer and the middle ones ovate, apex acute or obtuse; the inner ones lanceolate or oblong, apex acute. Florets 7-9; corollas funnelform, purple, glandular, corolla tubes 4-5 mm long; corolla lobes 2-2.5 mm long. Anthers 3-3.5 mm long, apical appendage acute, base obtuse. Styles purple, 4-5.5 mm long, branches 2, 2-2.5 mm long. Achenes turbinate, 2.5-3.5 mm long, 10-ribbed, covered with sparse hairs and capitate glands. Pappus in 2 series of bristles, the inner ones 5-6 mm long, persistent.

Distribution.

Thailand: Mae Hong Son, Chiang Mai, Chiang Rai, Lampang, Sukhothai, Kanchanaburi. China (Yunnan), India, Myanmar, Laos.

Specimens examined.

Thailand, Chiang Mai, Doi Sutep Pui national park, 18°48.39'N, 98°54.90'E, 1 Mar 2002, S. Bunwong 66 (KKU); Mae Rim, 1 Mar 2008, S. Bunwong 394 (KKU, US); Mae Hong Son, Mae Sariang, 15 Apr 1973, S. Sutheesorn 2337 (BK); Mae Sariang, 17 Jan 1983, H. Koyama, H. Terao & Th. Wongprasert T-32677 (BKF); Chiang Mai, Pang Tawn, 30 Apr 1981, Put 4527 (BK, BM, E, K, L, P); Thoeng, Ban Miya, 10 Feb 1970, S. Sutheesorn 1634 (BK); Doi Chiangdao, 14 Jan 1973, S. Sutheesorn 2272 (BK); Doi Chiangdao, 2 Dec 1984, H. Koyama, S. Mitsuta & H. Nagamasu T-39776 (BKF); Fang, Doi Ang Khang, 6 Jun 1973, J. Sadakorn 231 (BK); Doi Sutep, 11 Mar 1984, L.K. Juaton 126 (BK); Doi Sutep, 2 Mar 1966, C. Chermsirivathana 416 (BK); Doi Inthanon, 6 Dec 1984, S. Mitsuta, T. Yahara & H. Nagamasu 46455 (BKF); Doi Inthanon, 7 Dec 1998, F. Konta, C. Niyomdham & S. Khao-iam 4347 (BKF); Doi Inthanon, 17 Feb 1998, C. Niyomdham 5311 (BKF); Doi Inthanon, 15 Nov 1969, Worawoot 4 (BKF); Doi Inthanon, 27 Feb 1979, T. Koyama, C. Phengklai, C. Niyomdham, H. Okada & P.J. O’Connor T-15,579 (AAU, BKF); Chiang Rai, Wieng Paa Pao, 2 Apr 1998, J.F. Maxwell 89-487 (BKF, L); Lampang, Khun Than, 28 Dec 1984, H. Koyama, C. Phengklai T-39152 (BKF); Sukhothai, Kao Luang Khirimat, 24 Jan 1990, Parikarn & Prayad 168 (BK); Kanchanaburi, Thong Pha Phume, 17 Dec 1961, C. Phengklai 215 (BKF); Thong Pha Phume, 22 Dec 1961, C. Phengklai 303 (BKF).

Diagnostic characters.

Monosis parishii is recognized by its ferruginuous tomentose leaf surface and the shrubby habit.

Ecology.

Hill evergreen or pine-oak forest, alt. 250-800 m; flowering December to April.

Vernacular name.

Khang Hang Lek (ขางหางเล็ก), Tree Cha Wa (ตรีชะวา), Nat Ngern (หนาดเงิน).

Figures

Figure 9. Morphology of Vernonieae in Thailand 5. A-B Gymnanthemum extensum C Iodocephalopsis eberhardtii D Koyamasia calcarea E-F Koyamasia curtisii G Kurziella gymnoclada H Monosis parishii I Monosis volkameriifolia