Camchaya kampotensis
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Ordo: Asterales
Familia: Asteraceae
Genus: Camchaya
Name
Camchaya kampotensis Gagnep., Notul. Syst. 4: 14. 1920. – Wikispecies link – IPNI link – Pensoft Profile
Type
Myanmar, Kampot, Geoffray 331 (holotype: P!).
Description
Annual herbs 30–80 cm tall. Stems erect, terete, inconspicuously ribbed, pubescent with T-shaped hairs and glands. Leaves lanceolate, 7–25 by 5–9 cm, margin serrate, apex acute, base attenuate, chartaceous; both surfaces puberulous glandular; petioles up to 7 mm long. Capitulescences terminal and axillary, paniculate or solitary. Capitula campanulate, 10–15 mm long, pedunculate. Involucres campanulate, herbaceous, in 6–7 series, 9–12 mm long. Phyllaries imbricate, green or light purple, margin with spines up to 5 mm long, outer surface puberulous, glands capitate; the outer and the inner ones lanceolate, apex acuminate; the inner ones lanceolate or linear-oblong, apex acute. Corollas funnelform, purple, puberulous, glands capitate. Anthers ca. 2 mm long, apical appendage acute, base rounded. Styles purple. Achenes obovate, 2.5–3 mm long, glabrous, 10-ribbed. Pappus in 1 series of deciduous bristles or lacking.
Distribution
Thailand: Ubon Ratchathani, Saraburi, Trat, Chanthaburi. Myanmar.
Specimens examined
Thailand. Trat, Kao Kuap, 12°20.0'N, 102°25.0'E, 26 Nov 1929, A.F.G. Kerr 17783 (BK, E, K, P); Ubon Ratchathani, Khong Chiam, T. Santisuk 526 (BKF); Saraburi, Phiang, 30 Aug 1995, J.F. Maxwell 99-624 (CMU). Myanmar. Poporkvil, 4 Dec 1964, T. Kira, K. Hozumi, K. Yoda & S. Kokawa 102 (BKF); Bokor, Kampot, 20 Dec 1965, J.E.Vidal 4766 (L); Kampot, M. Martin 769 (L).
Diagnostic characters
Camchaya kampotensis can be recognized by its acute to broadly acuminate phyllaries and its large achenes.
Ecology
Evergreen forest, alt. 700–900 m; flowering December.
Vernacular name
Nin La Pad (นิลปัทน์).
Taxon Treatment
- Bunwong, S; Chantaranothai, P; Keeley, S; 2014: Revisions and key to the Vernonieae (Compositae) of Thailand PhytoKeys, 37: 25-101. doi
