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.
Species within inventory project: Arizona Flora \|\| << 1 - 50 taxa >> Pteris actiniopteroides Map not Available Pteris aculeata Map not Available Pteris albersii Media not available Map not Available Pteris altissima Map not Available Pteris amoena Map not Available Pteris angustata Map not Available Pteris angustipinna Map not Available Pteris anopteris Map not Available Pteris arborea Map not Available Pteris argentea Map not Available Pteris arguta Map not Available Pteris argyraea Map not Available Pteris arisanensis Map not Available Pteris armata Map not Available Pteris aspericaulis Map not Available Pteris atropurpurea Map not Available Pteris atrovirens Map not Available Pteris auquieri Media not available Map not Available Pteris bahamensis Map not Available Pteris balansae Map not Available Pteris barombiensis Media not available Map not Available Pteris bavazzanoi Media not available Map not Available Pteris bella Map not Available Pteris berteroana Map not Available Pteris biaurita Map not Available Pteris blumeana Map not Available Pteris boliviensis Map not Available Pteris brasiliensis Map not Available Pteris brassii Map not Available Pteris brevis Map not Available Pteris buchananii Map not Available Pteris burtonii Map not Available Pteris cadieri Map not Available Pteris calocarpa Map not Available Pteris camerooniana Media not available Map not Available Pteris catoptera Map not Available Pteris chiapensis Map not Available Pteris chilensis Map not Available Pteris chrysocarpa Map not Available Pteris ciliaris Map not Available Pteris clemensiae Map not Available Pteris comans Map not Available Pteris commutata Media not available Map not Available Pteris consanguinea $Media resource of Pteris consanguinea$ Map not Available Pteris coriacea Map not Available Pteris crassipes Media not available Map not Available Pteris crenata Map not Available Pteris cretica Map not Available Pteris dactylina Map not Available Pteris dalhousiae Map not Available