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138. Rhinactinidia Novopokrovsky, Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 7: 114, 134. 1948.

岩菀属 yan wan shu

Authors: Yilin Chen & Luc Brouillet

Rhinactina Lessing, Linnaea 6: 119. 1831, not Willdenow (1807); Borkonstia Ignatov, nom. illeg. superfl.; Krylovia Schischkin, nom. illeg. superfl.

Herbs, perennial, caespitose; rhizomes thick, woody, caudices many branched, clad with marcescent petiole bases. Stems erect, branched or simple, densely curved-strigose. Leaves: basal numerous, petiolate, blade obovate, oblanceolate, or oblong-obovate, 3-veined, margin entire or sparsely serrate, base attenuate, cauline shortly petiolate or sessile, obovate-oblong or oblanceolate, rarely linear, densely curved-strigose, sessile glandular. Capitula radiate, solitary at ends of branches or several in racemiform synflorescences. Involucre broadly campanulate or subhemispheric; phyllaries 3- or 4-seriate, imbricate, green distally, becoming yellow-brown, oblong or lanceolate, sparsely strigose, subleathery, back rounded, margin scarious, sometimes ciliate, apex obtuse or ± acute, outer shorter. Receptacles slightly convex, irregularly, shallowly alveolate, naked. Florets numerous, fertile. Ray florets pale purple, 2 × longer than disk florets; disk florets bisexual, numerous, yellow or purplish, ± zygomorphic, upper tube and limb base hairy, limb campanulate, lobes 5, lanceolate, 1 inner longer; anther appendage triangular to lanceolate, base acuminate; style appendages triangular. Achenes brown, oblanceolate, 2-ribbed, strigose, 1-ringed at base. Pappus 3-seriate, of white or dirty white, barbellate bristles, outer short, inner acute, innermost tip ± clavate, nearly equaling disk corollas.

Four species: C and N Asia; two species in China.

1 Basal leaves spatulate to obovate or oblanceolate, 2.5-4.5 cm, apex obtuse or rounded; capitula several at ends of stems and branches; plants to 25 cm tall.   1 R. limoniifolia
+ Basal leaves oblong-obovate, less than ca. 2.5 cm, apex acute or somewhat acute; capitula solitary at ends of stems; plants less than ca. 10 cm tall.   2 R. eremophila

Lower Taxa


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