喜斑鸠菊 xi ban jiu ju

Decaneuropsis blanda (Candolle) H. Robinson & Skvarla; Vernonia tavoyana C. E. C. Fischer.

Scandent shrubs, up to 3 m. Stems terete, distinctly striate, brown puberulent, rarely glabrous, glandular. Petiole 4-8 mm, puberulent; leaf blade elliptic or ovate-elliptic, rarely ovate-oblong, 4.5-12 × 2-5 cm, leathery, abaxially glabrous except midrib and lateral veins, glandular, adaxially glabrous, lateral veins 4- or 5-paired, veins adaxially prominent, base cuneate-rounded, margin entire, apex acuminate or shortly acute. Synflorescences terminal and axillary, panicles small, rarely solitary capitula in upper axils, ± thyrselike, leafy. Capitula usually 3-5, 7-8 mm in diam.; peduncles 5-8 mm, densely brown puberulent; bracteole often 1, linear-lanceolate. Involucre narrowly campanulate, 8-10 × 5-7 mm; phyllaries 5- or 6-seriate, yellow-green, dark brown on veins, ovate or oblong-lanceolate, glabrous or subglabrous, 3-veined, margins ciliate especially in upper part, apex acute or rather acute, outer ca. 2 mm, inner 7-8 × ca. 1.5 mm. Receptacle foveolate. Florets 20-25; corolla purplish, tubular, 7-8 mm, tube ca. 3 mm, slender, limb funnel-shaped; lobes lanceolate, glandular. Achenes subcylindric, 3-3.5 mm, ± angled, ribbed, patently puberulent and glandular. Pappus 1-seriate, reddish, ca. 8 mm. Fl. Sep-Feb.

Thickets or forests on slopes; 1700-2000 m. Guangxi, Xizang, Yunnan [India, Laos, Malaysia, Myanmar, Vietnam].

This taxon was first named "Conyza blanda" (in Wallich, Numer. List, no. 3033. 1831), which is a nomen nudum and was therefore not validly published. Material of this species was treated as Vernonia scandens by Gagnepain (in Lecomte, Fl. Gen. Indo-Chin. 3: 468. 1924).