percurrent

[ per-kur-uhnt, -kuhr- ]

adjective

, Botany.

1. extending through the entire length, as a midrib through a leaf.

Word History and Origins

Origin of percurrent¹

1570–80; < Latin percurrent- (stem of percurrēns ), present participle of percurrere to run through. See per-, current

Example Sentences

Percurrent, per-kur′ent, adj. running through the whole length.—adj.

From Project Gutenberg

Sporangia scattered or sometimes in loose clusters, cylindric, obtuse, about 1.5–2 mm., dark brown, stipitate; stipe short, one-fifth total height; hypothallus minute; capillitium regular, the branching quite uniform parallel, flexuous, brown with a tinge of violet, not dense; columella well-defined, almost percurrent; spores brown in mass, under lens dusky, nearly smooth, 9–10 �.

From Project Gutenberg

Key to the Genera of the Lamprodermace� A. Columella percurrent; capillitium from a disk at the apex 1.

From Project Gutenberg

Sporangia semi-erect, close crowded in tufts two inches in diameter, ferruginous, from a dark brown hypothallus, sessile or short stipitate; columella weak, crooked, percurrent, generally enlarged irregularly at the apex; capillitium of few, slender, brown branches which anastomose sparsely and irregularly as in C. irregularis, and present when freed from spores the same chenille-like appearance; spore-mass ferruginous brown; spores by transmitted light bright reddish brown, minutely warted, 8–10 �.

From Project Gutenberg

Spikelets flat, ovate-elliptic or oblong, lateral nerves of flowering glumes very prominent and straight, almost percurrent; palea deciduous with their glumes 2.

From Project Gutenberg