cristate


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cristate

[′kri‚stāt]
(biology)
Having a crista.
References in periodicals archive ?
2 mm long, 1- or 2-celled, acicular, appressed to ascending; indusia absent; spores cristate.
5 mm long, 2- or 3-celled, straightish, whitish, ascending; indusia absent; spores cristate.
0 mm long, 2-6-celled, acicular, spreading; indusia absent; spores cristate.
1 mm long, protruding from the center of the sorus, not easily observed in mature sori; spores cristate.
0 mm long, 5-7-celled, acicular, spreading; indusia absent; spores cristate.
7 mm long, 4-8-celled, erect, acicular, ascending; indusia absent; spores cristate.
3 mm long, 1- or 2-celled, spreading to substrigose; indusia absent; spores cristate.
3 mm long, 1- or 2-celled, ascending to spreading; indusia absent; spores cristate.
5 mm long, 3-5-celled, ascending to spreading; indusia absent; spores cristate.
3 mm long, 2- or 3-celled, acicular, substrigose, ascending; indusia absent; spores cristate.
defined by cristate spores with parallel ridges (Fig.
1 mm wide, spherical, shiny, yellowish to orangish clear, sessile to stalked; basal basiscopic segment of pinnules becoming decurrent and adnate to the pinna rachises, the vein supplying the segment springing from the pinna rachis instead of the costule; hydathodes present or (more rarely) absent; indusia absent or (less commonly) present, circular, brown, firm, attached at the base of a sinus, in some species minute and fugacious; spores monolete, nongreen, the perispores cristate or spiny, non-fenestrate or rarely so (2 species); x=41 (Kramer and Green 1990).