裂苞艾纳香 lie bao ai na xiang

Blumea henryi Dunn; B. tonkinensis Gagnepain; Leveillea martini Vaniot.

Subshrubs, 1.5-2.5 m tall. Stems branched, woody; branches terete, densely matted-lanate with long, white hairs. Leaves ± sessile, oblanceolate to oblong-oblanceolate, 15-40 × 4-15 cm, very densely lanate abaxially with long white hairs, pilose adaxially with prominent multicellular hairs, base tapering into an indistinct petiole, margin distantly denticulate-mucronulate, apex shortly acuminate; epidermal cells with sinuate walls, stomata only on abaxial surface. Capitula in axillary clusters of 2-4, arranged ultimately in large panicles, pedunculate, 14-17 mm in diam.; peduncles up to 15 mm, along with rest of panicle branches densely white lanate. Phyllaries slightly longer than florets, 3-12 mm, linear, apex acute, outer densely lanate on abaxial surface, inner gradually scarious. Receptacle 4-6 mm in diam., flat, alveolate, glabrous. Corollas reddish yellow, tubular; those of marginal florets filiform, ca. 6 mm, 2- or 3-lobed, glabrous; those of central florets 6-7 mm, with 5 lobes, lobes triangular-ovate, acute, papillate, pubescent with long multicellular hairs and colleters. Anther tails equal in length to thickened portion of filament. Achenes brown, columnar, densely pubescent, finely ca. 10-ribbed. Pappus yellowish white, 5-7 mm. Fl. Oct-Feb.

Ravines, forests; 600-1300 m. Guangxi, Guizhou, Yunnan [Vietnam].