Kurziella gymnoclada
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Ordo: Asterales
Familia: Asteraceae
Genus: Kurziella
Name
Kurziella gymnoclada (Collett & Hemsl.) H.Rob & Bunwong, Proc. Biol. Soc. Washington 123(2): 177. 2010. – Wikispecies link – IPNI link – Pensoft Profile
- Vernonia gymnoclada Collett & Hemsl., J. Linn. Soc., Bot. 28: 70. 1890.
- Vernonia juncea Hook.f., Fl. Br. Ind. 3: 231. 1881, nom. nud.
- Kurziella gymnoclada Type. Myanmar, Meiktila, H. Collet 515 (holotype: K!). Fig. 9G.
Description
Perennial herbs, up to 1 m tall. Stems erect, conspicuously ribbed, puberulous. Leaves 1–3 by 1–2 cm, obovate, margin serrate, apex obtuse or truncate, base cuneate, subcoriaceous, both surfaces scabrous with whip-shaped hairs and capitate glands, lateral veins 2–3-paired; petioles up to 5 mm long. Capitulescences terminal and axillary, spicate or solitary. Capitula campanulate, 10–13 mm long, subsessile or shortly pedunculate. Receptacle flat, 1.5–2 mm in diam. Involucres campanulate. Phyllaries imbricate, in 5–6 series, 8–10 mm long, 4–5 mm in diam., green or purple apically, margin piliferous, outer surface puberulous without glands; the outer and the middle ones ovate or lanceolate, acute; the inner ones lanceolate to oblong, apex acute. Florets 15–20; corollas funnelform, purple, glabrous, corolla tubes 8–10 mm long; corolla lobes 3–3.5 mm long. Anthers 2–2.5 mm long, apical appendage acute, base obtuse. Styles purple, 7–8 mm long, branches 2–2.5 mm long. Achenes 2–3 mm long, ca. 5-ribbed, covered with dense hairs. Pappus in 1 series of brisitles, 9–10 mm long.
Distribution
Thailand: Kamphaeng Phet, Khon Kaen, Nakhon Ratchasima, Kanchanaburi, Ratchaburi, Phetchaburi, Prachuap Khiri Khan, Chai Nat, Saraburi, Bangkok. Myanmar.
Specimens examined
Thailand, Khon Kaen, Phon district, 15°48.96'N, 102°35.91'E, 28 Feb 2008, S. Bunwong 391 (KKU, US); Nakhon Ratchasima, 21 Jan 1931, 21 Jan 1931, A.F.G. Kerr 19911 (AAU, BK, BM, E, K); Nakhon Ratchasima, 3 Mar 1958, Th. Sørensen, K. Larsen & B. Hansen 2166 (BKF, C, K); Kanchanaburi, 13 Mar 1926, A.F.G. Kerr 10618 (BK, BM, C, E, K); Kanchanaburi, 18 Jan 1929, Put 2273 (AAU, BK, BM, E, K); Kanchanaburi, 21 Dec 1970, T. Smitinand 11398 (BKF); Chai Nat, 8 Jan 1980, Put 2654 (BK, BM, E, L, K); Saraburi, Minam Sak, 3 May 1923, A.F.G. Kerr 7029 (AAU, BK, BM, E, K); Ratchaburi, Kao Tum Pha, 15 Mar 1965, S. Sutheesorn 479 (BK); Phetchaburi, Kao Ec San, 8 Mar 1965, S. Sutheesorn 478 (BK).
Diagnostic characters
Kurziella gymnoclada is distinguished by a single row of persistent pappus, deciduous leaves and sessile or subsessile capitula in axillary leaves.
Ecology
Dipterocarp forest, alt. 40–200 m; flowering November to March.
Vernacular name
Yoong Pad Maa Mai (ยุ้งปัดแม่หม้าย).
Taxon Treatment
- Bunwong, S; Chantaranothai, P; Keeley, S; 2014: Revisions and key to the Vernonieae (Compositae) of Thailand PhytoKeys, 37: 25-101. doi
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