小花菊属 xiao hua ju shu

Authors: Zhu Shi, Christopher J. Humphries & Michael G. Gilbert

Herbs, annual; indumentum of basifixed hairs. Leaves alternate, pinnatisect. Synflorescence of solitary terminal capitula. Capitula pedunculate, heterogamous, radiate or disciform. Involucre hemispheric; phyllaries in 2 or 3 rows, scarious margins broad, pale. Receptacle conical, hollow, epaleate. Marginal florets female, fertile; lamina when present white, usually absent in Chinese material. Disk florets yellow or reddish, bisexual, fertile; corolla tubular, inflated at base, apex 5-lobed. Anther appendages ovoid, almost 1/2 as long as anthers. Achenes circular to slightly dorsiventrally compressed in cross section, with 3-5 adaxial ribs, with multicellular hairs between ribs. Corona lacerate or fimbriate, slightly longer adaxially. x = 7.

Five species: Afghanistan, China, Kazakhstan, Kyrgyzstan, Pakistan, Turkmenistan; SW Asia (Iran); one species in China.

Lower Taxon

• Microcephala subglobosa (Krascheninnikov) Pobedimova