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Rodgersia Gray


Description from Flora of China

Herbs perennial. Rhizomes usually transversely elongating, thick, scaly. Leaves long petiolate, palmately, pinnately, or subpinnately compound; leaflets 3-9(or 10), base subsessile, margin doubly serrate, apex usually shortly acuminate. Inflorescence a paniculate cyme, ebracteate, many flowered. Sepals (4 or)5(-7), spreading, white, pink, or red. Petals usually absent, very rarely 1, 2, or 5 vestigial ones present. Stamens 10(-14). Ovary subsuperior, rarely semi-inferior, 2- or 3-loculed; placentation axile; ovules many; styles 2 or 3. Capsule 2- or 3-valved.

Rodgersia nepalensis T. A. Cope ex Cullen was recorded from Xizang by Pan (in C. Y. Wu, Fl. Xizang. 2: 517-518. 1985). This species might well occur in W Xizang, but no specimens from China have been seen by the present authors; further study is required.

Five species: E Asia, Himalayas: four species (two endemic) in China.

(Authors: Pan Jintang ; James Cullen)


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