sori indusia

Listing 1 - 10 from 11 for sori indusia

Adiantaceae [First Draft]
... prolonged a whipe-like stolon and rooting, acting asexual reproduction. 2-6 sori attached at per pinna; indusia linear-oblong, upper margins flat and staight or slightly depressed, menbranaceous, dark- ... into a whipe-like stolon and rooting, acting asexual reproduction. 1-5 sori attached at per pinna; indusia rotund or reniform, upper margins flat and straight, papyraceous, brown and persistent. ...
hua.huh.harvard.edu

Athyriaceae [First Draft]
... 14-16 cells, indusia ovate, lanceolate, rotund or half cup-shaped, attached at the proximal side of sorophore under sori, membranous, persistent, covering sori when young, hidden by sori at maturity, look ... when dried, green. Sori round, 1-6 sori per ultimate segment, dorsal on veinlets; indusia rotund or half-cup shaped, pale-green to brownish, without glands, covering sori when young, hidden by ...
hua.huh.harvard.edu

Dicksoniaceae [First Draft]
... -pinnate-pinnatifid; veins forked or pinnate, free, ending near the margin. Sori marginal or submarginal, terminal on veinlets. Sori single one vein ends, submarginal, protected by an abaxial (‘inner’) ... venation visible on both surface, free, lateral veins simple or forked. Sori 1-5 pairs on pinnule-segments; indusia bivalvate, outer indusia round, inner ones more or less oblong; outer valve of ...
hua.huh.harvard.edu

HEMIONITIDACEAE [First Draft]
... Pityrogramma). Veins free, rarely anstomosing, without including free veinlets in areoles. Indusia absent. Sori following course of veins. Spores tetrahedral or globose-tetrahedral, verrucose, echinate ... scales abaxially. Veins anastomosing, areoles numerous, densely arranged, elongated hexagonal. Indusia absent. Sori following course of veins, confluent all over abaxial surface when mature. Spores ...
hua.huh.harvard.edu

Lindsaeaceae [First Draft]
... . Sori suborbicular, oblong or shortly linear, usually terminal on one veinlet, one in each lobe, or sometimes two sori connected to coenosori, sori rarely uniting 3--4 veinlet ends, interrupted; indusia ... in each lobe, visible. Sori marginal, terminal on one or rarely two veinlets, suborbicular, nephroid or oblong; indusia with the same shape as those of sori. Spores tetrahedral-globose, trilete ...
hua.huh.harvard.edu

Sinopteridaceae [First Draft]
... shallow lobes, plane or slightly recurved but not forming scariose false indusia. Veins free, obscure. Indusia absent. Sori rounded or oblong, confined to submarginal vein tips. Spores tetrahedral-globose, ... pinnatifid to broad wings of costule; segments oblong, margins usually entire. False indusia continuous, brownish, margins undulate. Sori at veinlet tips.      *Rock crevices in hot ...
hua.huh.harvard.edu

Bolbitidaceae [First Draft]
... leaves of similar shape as the sterile ones, usually with longer stipes and narrower lamina, sori acrostichoid, sporangia inserted all over the lower surface. 2 genera of about 90 species ... of similar shape as the sterile ones, usually with longer stipes and narrower lamina. Sori acrostichoid, without indusia. Spores globose or nearly so, with thick epispores. 1a. Veins free. 2a. Sterile leaves ...
hua.huh.harvard.edu

Lomariopsidaceae [First Draft]
... of areoles, without included free veinlets. Fertile leaves with narrow pinnae. Sori acrostichoid, inserted all over the lower surface, without indusia; annulus consisted of 14-22 thickened cells. Spores elliptic. 4 ... ; pinnae linear, 10-20 × ca. 0.3 cm, subsessile, articulate to the rachis. Sori acrostichoid, sporangia inserted all over the lower surface; perispore consisting of many small wings. ...
hua.huh.harvard.edu

Images accompanying the Flora of Roosevelt
... sori sori magnified Dryopteris marginalis upper part of frond pinnae basal pinnae and upper stipe pinnulae sori/indusia sori/indusia magnified Dryopteris x triploidea frond basal pinna sori #1 sori magnified #1 sori #2 sori ... stressed) pinnae sori sori magnified Polystichum acrostichoides frond sori sori magnified pinnae with and without sori Thelypteris noveboracensis frond sori Thelypteris ...
pluto.njcc.com

Hardy Ferns:
... -pinnatifid erect fronds; nearly opposite pinna are widely spaced; bluntly lobed pinnules; rounded sori surrounded by ragged indusia are borne on tips of veins of pinnules; stipe is dark orange at base ...
www.ces.ncsu.edu