Comments
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englanti
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tarjonnut eFloras
A widespread tropical American species, Asplenium cristatum is local in west central Florida.
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- tekijänoikeus
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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englanti
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tarjonnut eFloras
Roots proliferous. Stems erect, not branched; scales blackish throughout or rarely with narrow pale margins, narrowly linear, mostly only 8--12 cells wide proximally, 2--3 × 0.5--0.8 mm. Leaves monomorphic. Petiole blackish to greenish, dull, 1--7(--17) cm, 1/5--1/2 length of blade; glabrous with few scales at base. Blade oblong-lanceolate, 2--3-pinnate, (2--)6--12(--18) × 2.7--10 cm, thin, glabrous; basal pinna pairs unreduced to reduced 1/4; apex gradually reduced, not rooting. Rachis blackish, dull, glabrous. Pinnae in (7--)10--15(--20) pairs, oblong, 2-pinnate throughout; medial pinnae (1--)2--3(--6) cm, all ± curved upward; proximal pinnae descending; base cuneate; apex attenuate. Pinnules ± asymmetric, 1--5(--10) × 1--4 mm; margins strongly dentate, cut 1/3--1/2 to axis. Veins free, evident. Sori 1--4(--6) per pinnule, usually on both basiscopic and acroscopic sides. Spores 64 per sporangium. 2 n = 72.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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englanti
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tarjonnut eFloras
Fla.; Central America; South America.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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englanti
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tarjonnut eFloras
Low limestone boulders and ledges in deep moist woods; 0--20m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Asplenium cristatum: Brief Summary
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vietnam
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tarjonnut wikipedia VI
Asplenium cristatum là một loài thực vật có mạch trong họ Aspleniaceae. Loài này được Brack. miêu tả khoa học đầu tiên năm 1854.
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- Wikipedia tác giả và biên tập viên
