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FOC | Family List | FOC Vol. 2-3 | Pteridaceae | Cheilanthes

10. Cheilanthes hancockii Baker, Bull. Misc. Inform. Kew. 1895: 54. 1895.

大理碎米蕨 da li sui mi jue

Cheilanthes bonatiana Brause; C. henryi Christ; C. taliensis Christ; C. wilsonii Christ; Cheilosoria hancockii (Baker) Ching & K. H. Shing.

Rhizomes erect, short; scales bicolorous, dark brown to black with lighter margins, subulate-lanceolate. Fronds clustered. Stipe dark brown, lustrous, 6-20 cm × ca. 1 mm, terete, scaly toward base; scales dark brown, concolorous to slightly bicolorous, lanceolate-subulate. Lamina brownish green when dry, pentagonal-ovate to broadly deltoid, 5-15 × 5-9 cm, 3-pinnate, herbaceous, glabrous on both surfaces, apex acuminate to long acuminate; rachis and costae flattened to shallowly grooved adaxially, glabrous. Pinnae 5-7 pairs; basal pair longest, elongate deltoid, (3-)5-9 × 2-4 cm, shortly stalked, acroscopic basal pinnule parallel to rachis, basiscopic base cuneate; basal basiscopic pinnule largest, much longer than adjacent acroscopic ones, apex acuminate. Ultimate segments oblong, ca. 1 × 0.2-0.3 cm, base narrowly winged, margins undulate or crenate, apex obtuse or rounded. Sori discrete at vein tips. False indusia discontinuous, reniform, semi-orbicular, or oblong, sometimes adjacent ones fused and indusium then 2-lobed, margins otherwise entire or somewhat erose. 2n = ca. 120.

On rocks in woods or under shrubs by roads; 1400-3000 m. Gansu (Wenxian), W Guizhou, Sichuan, Xizang (Zayü), Yunnan [Bhutan].


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