Comments
(
anglais
)
fourni par eFloras
R. M. Tryon (1955) reported an elevation range of 600--3000 m for Selaginella peruviana in the United States.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
(
anglais
)
fourni par eFloras
Plants on rock or terrestrial, forming loose mats. Stems not readily fragmenting, prostrate, upperside and underside structurally different, irregularly forked, branches determinate, tips upturned. Rhizophores borne on upperside of stems, throughout stem length, 0.23--0.33 mm diam. Leaves dimorphic, arranged in 8 ranks, tightly appressed, ascending, green; abaxial ridges present; apex with persistent, whitish, terete bristle 0.3--0.8 mm. Underside leaves narrowly linear-lanceolate (on central ranks) to falcate (on marginal ranks), 2.5--4 X 0.4--0.6 mm; base decurrent (oblique on marginal ranks), pubescent (sometimes glabrous); margins ciliate, cilia transparent to opaque, spreading at base, ascending toward apex, 0.1--0.15 mm. Upperside leaves linear-lanceolate (on central ranks) to falcate (on marginal ranks), 2.3--2.75 X 0.5--0.55 mm; base abruptly adnate, pubescent; margins ciliate, cilia transparent to opaque, ascending or spreading, 0.08--0.16 mm. Strobili solitary, 0.5--2 cm; sporophylls ovate-deltate to ovate, abaxial ridges not prominent, base glabrous, margins short-ciliate, apex bristled.
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- cc-by-nc-sa-3.0
- droit d’auteur
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
(
anglais
)
fourni par eFloras
N.Mex., Okla., Tex.; Mexico; South America.
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- cc-by-nc-sa-3.0
- droit d’auteur
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
(
anglais
)
fourni par eFloras
Rocky slopes, rock crevices, ledges of sandstone or igneous cliffs, less often on sandy or clay soil; 1300--2300m.
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- cc-by-nc-sa-3.0
- droit d’auteur
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
(
anglais
)
fourni par eFloras
Selaginella rupestris (Linnaeus) Spring forma peruviana J. Milde, Fil. Eur., 263. 1867; S. sheldonii Maxon
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- cc-by-nc-sa-3.0
- droit d’auteur
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Selaginella peruviana: Brief Summary
(
vietnamien
)
fourni par wikipedia VI
Selaginella peruviana là một loài dương xỉ trong họ Selaginellaceae. Loài này được Milde Hieron. mô tả khoa học đầu tiên năm 1900.
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- Wikipedia tác giả và biên tập viên