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20. Lindsaeaceae

鳞始蕨科 lin shi jue ke

Authors: Shiyong Dong, Sujuan Lin, Maarten J. M. Christenhusz & Julie Barcelona

Plants terrestrial, rarely climbing or epiphytic. Rhizomes creeping, sometimes scandent, protostelic or solenostelic, covered with narrow scales and/or hairs; scales basifixed, glabrous, 2-6(-12) cells wide at base, cells thick-walled, scale margin entire, apex bristlelike, ca. 1 cell wide. Fronds approximate or distant, vernation circinate; stipe not articulate to rhizome, with a single vascular bundle; lamina 1-4-pinnate, rarely simple, imparipinnate or not, herbaceous, papery, or thinly leathery, glabrous or with scattered very minute (microscopic) 2-celled hairs; pinnae or pinnules symmetrical or dimidiate, anadromous, rarely catadromous; veins free or anastomosing without included veinlets. Sori marginal or submarginal, terminal on a single veinlet or on 2 to several uniting veinlets, linear or oblong, indusiate; indusia basally adnate, laterally free or adnate, opening toward margin. Spores 32 per sporangium, tetrahedral-globose, globose, or ellipsoid, trilete or monolete.

Six to nine genera and ca. 200 species: pantropical; four genera and 18 species (one endemic) in China.

Ching Ren-chang, Fu Shu-hsia, Wang Chu-hao & Shing Gung-hsia. 1959. Lindsaeaceae (excluding Taenitis). In: Ching Ren-chang, ed., Fl. Reipubl. Popularis Sin. 2: 256-279, 371-374.

1 Sori terminal on a single vein or no more than 3 veins; indusia cup-shaped, basally and partially or entirely adnate laterally   (2)
+ Sori terminal on 3 or more veins, rarely on a single vein; indusia linear or oblong, basally adnate, laterally free   (3)
2 (1) Lamina 3- or 4-pinnate; sori terminal on 1-3 veins.   1 Odontosoria
+ Lamina usually 1- or 2-pinnate; sori terminal on a single vein.   3 Tapeinidium
3 (1) Spores monolete; rhizomes solenostelic with sclerified pith; fronds fragrant, smelling of coumarin.   2 Osmolindsaea
+ Spores trilete; rhizomes protostelic; fronds not fragrant.   4 Lindsaea

Lower Taxa


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