bract


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Related to bract: epicalyx

bract

a specialized leaf with a single flower or inflorescence growing in the axil. See also SPADIX.
References in periodicals archive ?
Also, bract features such as greater volume, higher acidity, and lower temperature seem to influence the Coleoptera assemblage in H.
There are three flowers in a cyme of Betula, two of which are close to the primary bract while the third one is located between the first two (Fig.
A dogwood poinsettia that McLaughlin grew from seed he received from Le Duc is central to the conservatorys exhibit, though it looks pretty prosaic a lanky vase-shaped shrub with small white bract clusters.
Leaves blades if punctate, without orange dots, inflorescence shallowly convex or at least hemispheric, base of the involucral bract truncate, rounded or subcordate ...
Detail of a dichasium; note the perfoliate bract at the base and the minute bracteoles at the flanks of the lateral flowers, c.
crotalifera have been introduced in the floriculture business mainly differentiated by the size and pigments colouration of bracts. However, there is limited information about the relationships between bract colour and pigment composition during the inflorescence development in this ornamental rhizomatic species.
Plants presenting round head, round head tip, violet-striped green color, no thorns and no curvature of bract tip as well as higher values for primary head fresh mass, primary head length, bract basis length and width, external bract length, and bottom fresh mass could be identified and selected among the population assessed.
In cotton (Gossypium hirsutum L.), bracts, capsule walls, and stems are capable of photosynthetic C[O.sub.2] fixation.
Bracts are entire, 1-8 mm length, from sessile to amplexicaul.
tricholepis, and differs by the shorter, slender stems, and narrower leaves with 3-nerved sheath, 1-nerved bracts (both peduncle and flower), inflorescence always 1flowered, with a very reduced peduncle which does not elongate with fruit ripening, and a glabrous floral bract, shorter than the sepals.
Changes in bract color were determined with the aid of a colorimeter (CR-10 Konica Minolta) using the CIELab system.