palea

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Related to paleae: lodicule

palea

[′pā·lē·ə]
(botany)
The upper, enclosing bract of a grass flower.
A chaffy scale found on the receptacle of the disk flowers of some composite plants.
(invertebrate zoology)
One of the enlarged flattened setae forming the operculum of the tube of certain polychaete worms.
References in periodicals archive ?
Capitulescences monocephalous, or corymbose to paniculate; capitula pedunculate, homogamous, discoid or radiate; involucre one- to five-seriate; receptacle epaleate to paleate, paleae embracing the marginal florets, with the open part facing either the center of the capitulum or the outer part of the capitulum.
Capitulescences a dichotomous cyme; capitula pedunculate, homogamous, discoid; receptacle paleaceous, paleae embracing all the florets; involucre one- to two-seriate.
Capitulescences densely corymbose; capitula short-pedunculate, homogamous, discoid; receptacle paleate, paleae embracing the marginal florets; involucre multiseriate.
mochaenum Lamina texture herbaceous intermediate coriaceous Aphlebia present present present Sterile frond length (cm) 4-11 5-10 12-30 Fertile frond length (cm) 11-20 8-20 13-36 Number of pinna pairs per sterile frond 7-16 12-17 14-27 Number of main veins per sterile pinna 5-11 8-10 13-29 Length of the petiole paleae (mm) 2-5 2-3 6-11 Length/width ratio of the petiole paleae 2-4 2-3 5-9 Guard cell length 71-80 60-76 58-69 ([micro]m) Exospore length ([micro]m) 37-42 misshapen 32-35