decurrent


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Related to decurrent: excurrent

decurrent

[di′kər·ənt]
(botany)
Running downward, especially of a leaf base extended past its insertion in the form of a winged expansion.
References in periodicals archive ?
decurrens vary at their bases, from narrowly attenuate to abruptly cuneate, but all are decurrent basiscopically (Figures 1 A-C).
Diagnosis: Basidiomata clitocyboid, pileus 13-30 mm diam., infundibuliform to plano-convex, white to pastel grey, lamellae decurrent, stipe cylindrical, with mycelial pad and rhizomorphs, basidiospores 4-5 x 3-4.3 [mu]m, globose to subglobose, smooth to slightly angled in polar view, cystidia absent, pileipellis a transition between trichocutis and a trichoderm, clamp connection absent.
Dorsal leaf bases very longly decurrent, concealing the stem ...
Notogastral cristae with a pair of decurrent line .....................
It will take time to fully understand the long-term impacts these sprawling infernos will have on everything from the threatened Apache trout (Oncorhynchus apache) to the endangered Houston toad (Bufo houstonensis), and what the chaotic flooding throughout the heart of the country will mean for species like the threatened decurrent false aster (Boltonia decurrens) to the endangered interior least tern (Sterna antillarum).
1 mm long, free, glabrous, white except for the red apex, the adaxial ones carinate with keels decurrent on the ovary, the abaxial one obtusely if at all carinate; petals narrowly lanceolate, apex acuminate to acute, suberect at anthesis, 18-25 x 4 mm, free, purple, bearing 2 irregularly digitate-lacerate appendages 6-8 mm above the base.
The side shoot departs upwards at an angle of about 20[degrees] with a decurrent upper surface.
Spasticity is characterized by hypertonia that involves decurrent velocity-dependence with hypersensitivity of the stretching reflex, and possessing selectivity of anti-gravitational muscles (predominant in flexors of superior limbs and extensors of inferior limbs) (4).
Lamellae white to slightly cream, small depressed or slightly decurrent. Stipe 3-8 cm, white, usually ventricose when young, later cylindric.
Rhizomes or stems prostrate, with erect, regularly branching stems; leaves of prostrate stems appressed to ascending, linear to narrowly lanceolate, 1.8-4.6 mm long, leaves of erect stems appressed with decurrent bases, subulate, 1.8-3.5 mm long, strobili 2-4 per upright shoot, 1.4-4.0 cm long.
The leaf apices are abruptly acute to gradually acuminate and the leaf base has neither auricular nor decurrent development.