Camchaya loloana var. loloana
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Ordo: Asterales
Familia: Asteraceae
Genus: Camchaya
Name
Camchaya loloana Bunwong, Chantaranothai & Keeley, 2014 – Wikispecies link – Pensoft Profile
Description
Annual herbs, 30–70 cm tall. Stems erect, terete, inconspicuously ribbed, pubescent with T-shaped hairs and glands. Leaves ovate, 3–10 by 2–4 cm, margin serrate, apex acute or acuminate, base attenuate, chartaceous; both surfaces scabrous with whip-shaped hairs, cylindrical hairs and capitate glands; lateral veins 8–12-paired; petioles up to 10 mm long. Capitulescences terminal and axillary, paniculate. Capitula campanulate, 9–10 mm long, pedunculate. Receptacle convex, 3.5–4 mm in diam., glabrous. Involucres campanulate, in 7–8 series, 8–10 mm long. Phyllaries imbricate, greenish with purple apex, margin with spines up to 1 mm long, outer surface arachnoid, glands capitate; the outer lanceolate, apex spinose; the inner ones lanceolate or linear-oblong, apex acuminate. Florets 65–100; corollas funnelform, purple rarely white, puberulous, glands capitate; corolla tubes 7–9.5 mm long; corolla lobes 2.5–3 mm long. Anthers 1.8–2.5 mm long, apical appendage acute, base rounded. Styles purple, 7–11 mm long, branches ca. 2 mm long. Achenes obovate, 1.3–1.7 mm long, glabrous, 10-ribbed. Pappus in one series, bristles 1.5–3 mm long, absent or deciduous.
Distribution
Thailand: Chiang Mai, Lampang, Phitsanulok, Khon Kaen, Nakhon Ratchasima, Ubon Ratchathani, Kanchanaburi, Saraburi. China (Yunnan), Laos, Myanmar.
Specimens examined
Thailand, Khon Kaen, Phu Wiang national park, 16°40.93'N, 102°14.15'E, 1 Oct 2007, S. Bunwong 330 (KKU, US); Chiang Mai, Doi Chiangdao, 9 Nov 1922, A.F.G. Kerr 6650 (BM, K, P); Doi Chiangdao, 30 Jul 1968, K. Larsen, T. Santisuk & E. Warncke 2862 (BKF, E); Doi Chiangdao, 27 Sep 1994, W. Nanakorn et al. 1821 (QBG); Doi Chang, 29 Oct 1979, T. Shimizu, H. Toyokumi, H. Koyama, T. Yahara & T. Santisuk 20639 (AAU, BKF, L); Khon Kaen, 18 Sep 1994, W. Nanakorn et al. 1626 (QBG),9 Jan 1997, W. Nanakorn et al. 8472 (QBG); Ubon Ratchathani, Sirinthon Dam, 27 Oct 2007, S. Bunwong 339 (KKU, US); Kanchanaburi, Kritee, 9 Jul 1973, R. Geesink & C. Phengklai 6192 (AAU, BKF, E, L, P); Sangkhlaburi, 14 Jul 1973, S. Sutheesorn 2637 (BK); Saraburi, Chaibadan, 15 Dec 1923, A.F.G. Kerr 7982 (BK, BM, K, P).
Diagnostic characters
Camchaya loloana is recognized by having short spines on the margins of the phyllaries, 10-ribbed achenes, and leaves with T-shaped hairs.
Ecology
On limestone in dipterocarp, dry evergreen, and hill evergreen forest, alt. 400–1500 m; flowering July to December.
Vernacular name
Dok Lea (ดอกแล่), Phu Muang (พู่ม่วง).
Taxon Treatment
- Bunwong, S; Chantaranothai, P; Keeley, S; 2014: Revisions and key to the Vernonieae (Compositae) of Thailand PhytoKeys, 37: 25-101. doi
