verrucose


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Related to verrucose: varicose

verrucose

[və′rü‚kōs]
(biology)
Having the surface covered with wartlike protuberances.
References in periodicals archive ?
30-80 cm tall), leaf blades 8-13 cm long, the lower surface sparse verrucose (vs.
Basidiospores globose to subglobose 3.85.8 m in dia pale brown to dark brown finely verrucose. Capillitial threads 2.88.5 m thickhyaline to pale yellowish to pale reddish brown with gradually tapering or obtuse tips encrusted.
Spherical verrucose phytoliths are common in (but not restricted to) Fuscopsora and Knightia trees (Kondo et al.
5: Lucida drawings of Puccinia sibirica (A) Urediniospores showing echinulate ornamentation (B) Teliospores showing verrucose ornamentation.
adspersum (source Tibell 1996) (source Tibell 1999) Thallus verrucose, yellowish granular, greyish Capitulum brownish pruina and yellowish pruina often yellowish pruina Ascus size 33-50 x 3,5-4,5 24-33 x 6-8 ([micro]m) and shape cylindrical clavate Ascospore size 8-12 x 4-5 13-17 x 6-8 ([micro]m) Arrangement of uniseriate to biseriate biseriate to spores in the asci threeseriate Ascospore spirally arranged cracks spirally ornamentation ridges; arranged ridges occasional irregular Chemistry norstictic and norstictic and placodiolic acids, vulpinic acids xanthones C.
Peridium erect often shrinking away from the host, dehiscing irregularly at top and becoming revolute; peridial cells hyaline, rhomboid to rectangular, 18-28 x 12-18 [micro]m, inner walls 2-3 [micro]m thick with coarsely verrucose surfaces, tubercles forming humps or short ridges occasionally giving a striate appearance, especially on outerwalls which are 4-6 [micro]m thick.
layer absent; sclerotesta lightly verrucose; spongy layer absent.
Endoperidial body sessile or supported by a single pedicel; endoperidium opening by a single apical stomata; basid iospores verrucose 2 2 (1).
Fruits indehiscent; valves thick, prominently rugose to verrucose, closed and enclosing seeds 24 23.
Testa microrelief: none = 0; striate = 1; verrucose = 2; folded = 3 61.
Apothecia sessile or constricted at base, scattered or in groups, (0.25)0.5-1.5(-2) mm diam.; disc crimson, purple-red to orange-red, epruinose, thalline margin slightly prominent, smooth, crenulate to verrucose, even crenulate or flexuose.
Fruit mostly a pair of follicles with dry pericarp (fruit a capsule in Craspidospermum and a fleshy berry in Melodinus); endocarp not forming a stone; seeds usually numerous, smooth, flat, and winged, often peltately attached with long funicle (somewhat verrucose, only slightly compressed, and embedded in pulpy placenta in Melodinus).