Volume 13 > Part 2 > Year 2016 > Page 380 > Compositae (Asteraceae) > Pseudognaphalium

1. Pseudognaphalium adnatum (DC.) Y.S.Chenwfo-0001332527

Fl. China 20–21: 816. 2011.— Anaphalis adnata DC., Prodr. 6: 274. 1838; Gagnep., Fl. Indo-Chine 3: 553. 1924; Kerr, Fl. Siam. 2(3): 269. 1936; Kitam. & Gould in Hara, Chater & Williams, ed., Enum. Fl. Pl. Nepal 3: 10. 1982; H.Koyama, Acta Phytotax. Geobot. 35: 114. 1984; Grierson & D.G.Long, Fl. Bhutan 2(3): 1516. 2001.— Gnaphalium adnatum (DC.) Kitam., J. Jap. Bot. 21: 51. 1947; Ling, Chen & C.Shih, Fl. Reipubl. Popularis Sin. 75: 223. 1979.

Accepted Name : This is currently accepted.

Description : Annual herb, 15–45 cm tall, with taproot; stems erect, simple, white tomentose throughout. Leaves oblanceolate, 5–9 by 0.5–2 cm, distinctly 3- or 5-veined, semi-amplexicaul, apex acute, base narrowed, both surfaces appressed whitish tomentose, more thinly on upper surfaces. Inflorescences in dense clusters, in terminal corymbs, usually with short or rarely long-pedunculate glomerules from most leaf axes. Capitula disciform, 6–7 mm diam. at flowering; involucres subglobose, ca 3.5 mm by 5 mm; phyllaries 5–8-seriate, imbricate, outermost phyllaries ovate or elliptic, white, brownish below, apex subacute, base narrowed, outer and middle phyllaries subequal, to 3.4–3.7 mm long, inner unguiculate; receptacle flattened, areolate, naked. Marginal florets numerous, pistillate; corollas filiform, ca 1.5 mm long. Disc florets 17 per capitulum; corollas tubular, 2–2.5 mm long, apex 5-lobed. Achenes oblong, 0.5 mm long, setuliferous; pappus of capillary bristles, ca 2 mm long, white.

Thailand : NORTHERN: Mae Hong Son (Pai, Kio Lom), Chiang Mai (Hot, Bo Luang, Mae Pau, Doi Inthanon, Mae Tho, Doi Chiang Dao, Doi Chang, Doi Suthep-Pui, Doi Pha Hom Pok, Mae Sao Watershed Management Station, Mae Sanam, Huai Maelid Bridge), Chiang Rai (Doi Phacho); NORTH-EASTERN: Loei (Phu Kradueng, Phu Ruea).

Distribution : India (Assam – type, Sikkim), Nepal, Bhutan, Myanmar, China (Yunnan, Sichuan, Guizhou, Zhejiang), Laos, Vietnam, Taiwan, the Philippines.

Ecology : Clay soils, sandy moist grasslands, moist humus-rich slopes and exposed rocky ridges in open pine-oak-diperocarp forests, and open hill evergreen forests, 900–2,540 m alt. Flowering: November–February.

Vernacular : Nat khao (หนาดเขา)(Chiang Mai).