All Floras      Advanced Search
FOC Vol. 2-3 Page 4, 139 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 2-3 | Lindsaeaceae

1. Odontosoria Fée, Mém. Foug. 5: 325. 1852.

乌蕨属 wu jue shu

Authors: Shiyong Dong, Sujuan Lin & Julie Barcelona

Lindsayopsis Kuhn.

Plants terrestrial. Rhizomes shortly creeping, protostelic or solenostelic, covered with dark brown hairs or subulate scales. Fronds approximate; stipe stramineous or dark stramineous, shallowly sulcate adaxially, glabrous; lamina 3- or 4-pinnate, pinnatifid and gradually narrowed toward apex; ultimate pinnules or segments usually cuneate or linear; veins free, simple or once or twice forked on ultimate pinnules, papery to slightly leathery. Sori usually submarginal, ovate, terminal on a single vein, or on 2 or 3 veins; annulus consisting of 12-24 thickened cells; indusia ovate or cup-shaped, basally and partially or entirely adnate laterally. Spores ellipsoid and monolete, or globose and trilete.

About 20 species: pantropical, extending north to Korea; two species in China.

Many of the Oriental non-scandent species of Odontosoria were previously placed in Sphenomeris Maxon, nom. cons. (Stenoloma Fée), which is a genus now restricted to a single Caribbean species that forms an independent lineage (Lehtonen et al., Bot. J. Linn. Soc. 163: 305-359. 2010).

The position of Odontosoria tsoongii Ching (Bull. Fan Mem. Inst. Biol. 1: 149. 1930) is uncertain. It was treated as a synonym of Stenoloma biflorum (Kaulfuss) Ching (=O. biflora) in FRPS (2: 277. 1959).

1 Rhizome scales 1 or 2 cells wide at base; lamina ovate to lanceolate, papery; pinnae patent to slightly ascending; veins slightly raised adaxially or on both surfaces, rarely immersed, slightly darker than laminar surface; indusia entire or repand, coterminous with or rarely shorter than adaxial lamina, entirely adnate laterally.   1 O. chinensis
+ Rhizome scales 3-6 cells wide at base; lamina triangular-ovate, thickly papery to leathery; pinnae slightly to distinctly ascending; veins slightly raised abaxially; indusia denticulate to erose, rarely repand, distinctly shorter than or rarely coterminous with adaxial lamina, partially adnate laterally.   2 O. biflora

Lower Taxa


Flora of China @
Browse by
Advanced Search

Flora of China Home




 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |