Cremanthodium

Cremanthodium reniforme, copyright Ulrika Johansson.

Belongs within: Asteraceae.

Cremanthodium is a genus of perennial herbs known from China and the Himalayas.

Characters (from Flora of China): Herbs, perennial. Rhizomes short, with rosette leaves, very rarely without rosette leaves. Roots fleshy, numerous. Stem arising from outer axil of rosette leaves, solitary, or 2- or 3-crowded, usually scapelike. Leaves all or many crowded and basal, petiolate; petiolar base broadly sheathed; leaf blade palmately, pinnately, or parallel veined. Stem leaves alternate, bracteal, with or without sheath. Capitula solitary or many in raceme, nodding; leaflike bracts linear, rarely broadly ovate or elliptic. Involucre hemispheric, rarely broadly campanulate, base rounded; phyllaries in 2 rows, imbricate, outer phyllaries narrow; inner phyllaries broad, often margin membranous, or phyllaries in one row, equal in size, base united; all phyllaries outside glabrous or hairy, apex ciliate. Receptacle flat, without scales. Outer florets female, radiate or rarely narrowly tubular; lamina well developed, diverse, usually several times as long as involucre, rarely absent. Central florets tubular, bisexual; limb five-lobed. Anthers basally obtuse. Style branches compressed, apex obtuse or triangular, papillose-hairy. Achenes glabrous, ribbed. Pappus of denticulate hairs as long as or shorter than tubular corolla, rarely absent.

<==Cremanthodium
    |--C. arnicoides O88
    |--C. cuculliferum O88
    |--C. decaisnei O88
    |--C. ellisii O88
    |--C. hookeri O88
    |--C. nanum O88
    |--C. nepalense O88
    |--C. oblongatum O88
    |--C. pinnatifidum O88
    |--C. purpureifolium O88
    |--C. reniforme O88
    `--C. retusum O88

*Type species of generic name indicated

REFERENCES

[O88] Ohba, H. 1988. The alpine flora of the Nepal Himalayas: an introductory note. In: Ohba, H., & S. B. Malla (eds) The Himalayan Plants vol. 1. The University Museum, University of Tokyo, Bulletin 31: 19-46.