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

8. Vernonia volkameriifolia Candolle, Prodr. 5: 32. 1836.

大叶斑鸠菊 da ye ban jiu ju

Gymnanthemum volkameriifolium (Candolle) H. Robinson; Monosis volkameriifolia (Candolle) H. Robinson & Skvarla; Vernonia acuminata Candolle; V. esquirolii H. Léveillé (1912), not Vaniot (1907); V. leveillei Fedde ex H. Léveillé; V. punduana Candolle.

Trees, 3-8 m tall. Branches robust, terete, yellowish brown tomentose. Petiole short and broad, basally often expanded into a sheath, 10-18 mm, densely tomentose; leaf blade obovate or obovate-cuneate, rarely oblong-oblanceolate, 15-50 × 4-20 cm, abaxially glabrous or sparsely pubescent on midrib, adaxially pubescent along veins, glandular, lateral veins 12-17-paired, veins adaxially raised, veinlets reticulate, base cuneately attenuate, margin sinuate or sparsely coarsely dentate, rarely entire, apex shortly acute or obtuse, rarely acuminate. Synflorescences terminal, panicles flat-topped, 20-30 cm, leafless, lower branches of panicles 8-10 cm. Capitula many, 5-8 mm in diam., densely fulvous tomentose. Involucre narrowly campanulate, 5-6 mm wide; phyllaries ca. 5-seriate, brownish or apically purplish, ovate or ovate-oblong, 3-6 mm, pubescent or ± glabrescent, apex acuminate, outer short and obtuse, inner rather acute. Receptacle flat, foveolate. Florets 10-12; corolla pink or reddish purple, tubular, 7-8 mm, glabrous, with short tube and narrowly campanulate limb; lobes linear-lanceolate, glandular. Achenes oblong-cylindric, 3-4 mm, 10-ribbed, glandular between ribs or ± puberulent. Pappus 2-seriate, white or dirty white; outer setae short; inner setae 8-9 mm. Fl. Oct-Apr.

Thickets or mixed forests in valleys; 800-1600 m. Guangxi, Guizhou, Xizang, Yunnan [Bhutan, India, Laos, Myanmar, Nepal, Thailand, Vietnam].

This taxon was first named invalidly as "Conyza volkameriaefolia" by Wallich (Numer. List, no. 3001. 1831) and listed as "Eupatorium volkameriaefolium" by Candolle (Prodr. 5: 33. 1836).


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