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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Neopallasia

1. Neopallasia pectinata (Pallas) Poljakov, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 430. 1955.

栉叶蒿 zhi ye hao

Artemisia pectinata Pallas, Reise Russ. Reich. 3: 755. 1776; A. pectinata var. yunnanensis Pampanini; A. yunnanensis (Pampanini) Krascheninnikov (1958), not Jeffrey ex Diels (Jun 1912), nor H. Léveillé (Nov 1912); Neopallasia tibetica Y. R. Ling; N. yunnanensis (Pampanini) Y. R. Ling.

Herbs, 12-40 cm tall; stems erect, unbranched or branched from base, purplish, ± densely white sericeous. Lower and middle stem leaves sessile; leaf blade oblong-elliptic, 1.5-3 × 0.5-1 cm, both surfaces green, glabrous, sometimes with sessile glands, pectinately pinnatisect; segments linear-subulate, somewhat rigid. Upper stem leaves to below synflorescence similar, but smaller. Synflorescence of short axillary spikes grouped in-to a slender, leafy panicle. Capitula many, rather small, sessile. Involucres ovoid or broadly ovoid, 2.5-3 mm in diam.; phyllaries in 3 or 4 rows, abaxially glabrous, scarious margin broad, outer ones somewhat short, inner ones rather narrow. Marginal female florets 3 or 4, fertile, narrowly tubular, without apical teeth. Disk florets tubular, 5-lobed, of two kinds: outer bisexual, inner completely male with reduced ovaries. Achenes brown, elliptic, 1.2-1.5 mm, somewhat compressed.

Deserts, gravelly places of river valleys, wastelands; 1300-3400 m. Gansu, Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shanxi, Sichuan, Xinjiang, Xizang [Kazakhstan, Mongolia, Russia].

Neopallasia pectinata is a highly variable species, and the Chinese entities N. tibetica and N. yunnanensis seem best treated as synonymous with it.


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