EcoFlora - Pteris

Pteris
Family: Pteridaceae Media not available	FNA Resources Clifton E. Nauman in Flora of North America (vol. 2) Plants terrestrial or on rock. Stems erect or creeping, branched; scales pale brown to black, concolored, elongate, margins entire. Leaves monomorphic, clustered or closely spaced, 1--20 dm. Petiole straw-colored, green, brownish red to purple black, longitudinally ridged, 2--3-grooved adaxially, scaly at base, glabrous or scaly distally, with 1 (less often 2 or more) vascular bundle. Blade oblong to lanceolate to deltate, 1--4-pinnate, herbaceous to leathery, abaxially and adaxially glabrous or sometimes pubescent or scaly, adaxially dull, not striate; rachis straight. Ultimate segments of blade sessile to short-stalked, linear to oblong-lanceolate, 1.5--8 mm wide; base truncate or narrowed to stalk, stalk when present green, not lustrous; margins plane or reflexed to form false indusia. Veins in leaves conspicuous, free (except in sori) and forking well above base of segment, or highly anastomosing. False indusia pale, scarious, covering sori. Sporangia intramarginal, sori usually continuous except at pinna or segment apex and sinuses, paraphyses present. Spores brown, trilete, tetrahedral, rugate and/or tuberculate, usually with prominent equatorial flange. x = 29.
<< 51 - 100 taxa >> Pteris dataensis Map not Available Pteris decrescens Map not Available Pteris decurrens Map not Available Pteris deflexa Map not Available Pteris delchampsii Map not Available Pteris deltea Map not Available Pteris deltodon Map not Available Pteris deltoidea Media not available Map not Available Pteris dentata Map not Available Pteris denticulata Map not Available Pteris dimorpha Media not available Map not Available Pteris dispar Map not Available Pteris distans Map not Available Pteris dixitii Media not available Map not Available Pteris edanyoi Map not Available Pteris ekemae Media not available Map not Available Pteris elmeri Map not Available Pteris elongatiloba Media not available Map not Available Pteris emodi Map not Available Pteris endoneura Media not available Map not Available Pteris ensiformis Map not Available Pteris erosa Map not Available Pteris excelsa Map not Available Pteris fauriei Map not Available Pteris finotii Map not Available Pteris flabellata Map not Available Pteris formosana Map not Available Pteris fraseri Media not available Map not Available Pteris friesii Map not Available Pteris gallinopes Map not Available Pteris gigantea Map not Available Pteris glaucovirens Map not Available Pteris grandifolia Map not Available Pteris grevilleana Map not Available Pteris haenkeana Map not Available Pteris hamulosa $Media resource of Pteris hamulosa$ Map not Available Pteris henryi Map not Available Pteris heteroclita Map not Available Pteris heteromorpha Map not Available Pteris hexagona Map not Available Pteris hillebrandii Map not Available Pteris hirsuta Map not Available Pteris hispaniolica Map not Available Pteris hookeriana Map not Available Pteris humbertii Media not available Map not Available Pteris inaequalis Map not Available Pteris incompleta Media not available Map not Available Pteris inermis Map not Available Pteris insignis Map not Available Pteris intricata Map not Available