Difference between revisions of "Acrostichum"
Sp. Pl. 2: 1067. 1753; Gen. Pl. ed. 5, 484, 1754.
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|discussion=<p>Species 3, possibly more (2 in the flora).</p> | |discussion=<p>Species 3, possibly more (2 in the flora).</p> | ||
|tables= | |tables= | ||
| − | |references= | + | |references={{Treatment/Reference |
| + | |id=adams1979b | ||
| + | |text=Adams, D. C. and P. B. Tomlinson. 1979. Acrostichum in Florida. Amer. Fern J. 69: 42--46. | ||
| + | }}{{Treatment/Reference | ||
| + | |id=garcia1978a | ||
| + | |text=García de López, I. 1978. Revisión del género Acrostichum en la República Dominicana. Moscosoa 1: 64--70. | ||
| + | }}{{Treatment/Reference | ||
| + | |id=lloyd1980a | ||
| + | |text=Lloyd, R. M. 1980. Reproductive biology and gametophyte morphology of New World populations of Acrostichum aureum. Amer. Fern J. 70: 99--110. | ||
| + | }}{{Treatment/Reference | ||
| + | |id=small1938a | ||
| + | |text=Small, J. K. 1938. Ferns of the Southeastern States. Lancaster, Pa. [Facsimile edition 1964, New York and London.] | ||
| + | }} | ||
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|family=Pteridaceae | |family=Pteridaceae | ||
|distribution=Worldwide;warm and tropical regions. | |distribution=Worldwide;warm and tropical regions. | ||
| − | |reference= | + | |reference=adams1979b;garcia1978a;lloyd1980a;small1938a |
|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1754 | |publication year=1754 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V2/V2_595.xml |
|genus=Acrostichum | |genus=Acrostichum | ||
}}<!-- | }}<!-- | ||
-->[[Category:Treatment]][[Category:Pteridaceae]] | -->[[Category:Treatment]][[Category:Pteridaceae]] | ||
Revision as of 20:51, 16 December 2019
Plants terrestrial in fresh- or saltwater habitats. Stems erect or creeping, branched; scales dark brown, concolored, linear-lanceolate, margins entire. Leaves slightly dimorphic, clustered, 1–5 m. Petiole brown, with a single groove adaxially, glabrous, smooth or with scale scars, with several abaxial vascular bundles and 2 adaxial vascular bundles. Blade lanceolate, pinnate, leathery, abaxially glabrous or hispid, adaxially dull, not striate, glabrous; rachis straight. Pinnae stalked, free from rachis, narrowly oblong to lanceolate, 2–5 cm wide; base cuneate; stalk green; margins plane; fertile leaves bearing sporangia on most pinnae or on only more distal pinnae (fertile pinnae may be slightly smaller than sterile ones). Veins of pinnae conspicuous, strongly anastomosing. False indusia absent. Sporangia spread over abaxial surface, mixed with paraphyses (sori acrostichoid), containing 64 spores. Spores yellow, tetrahedral, minutely tuberculate or roughened, equatorial flange absent. x = 30.
Distribution
Worldwide, warm and tropical regions.
Discussion
Species 3, possibly more (2 in the flora).
Selected References
Lower Taxa
Key
| 1 | Fertile leaves with only most distal pinnae fertile; pinnae often distant and not overlapping; costal areoles usually narrow, 3 or more times longer than wide; paraphyses terminating in isodiametric, irregularly lobed cell. | Acrostichum aureum |
| 1 | Fertile leaves with most pinnae fertile; pinnae distant to closely spaced and ± overlapping; costal areoles usually broad, less than 3 times longer than wide; paraphyses terminating in horizontally extended, smooth or lobed cell. | Acrostichum danaeifolium |