prophyll


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  • noun

Words related to prophyll

a plant structure resembling a leaf

References in periodicals archive ?
result, there is one prophyll subtending each of the spikelets (Thomas
and they consist of a hypopodium, a 2-keeled prophyll, an epipodium, and
The distichous disposition of the glumes would indicate a change in the inflorescence phyllotaxis, from a spiral arrangement (3/8 phyllotaxis) to a distichous phyllotaxis (1/2 phyllotaxis), and this switch may be mediated by the prophyll of the spikelets in a transitional position, because it forms a 90 [degrees] angle with respect to the glumes (Guarise & Vegetti, 2007).
Each primary branch has a prophyll and a variable number of bracts.
In Andropogoneae, the shBr consists generally of a short hypopodium (virtual); a prophyll whose axillary bud forms a sessile spikelet; a long epipodium (pedicel); and a pedicellate, generally more reduced spikelet (Vegetti, 1994, 1999).
With respect to the structure of the enrichment shoots of the trophotagma, the following traits must be looked for: (1) presence or absence of the prophyll and bracts; (2) number of bracts; (3) development of the axillary buds of the prophylls and additional leaves.
The flower is subtended by the spikelet prophyll, which forms an utriculus that envelops flower, rachilla and distal glume (Fig.
In several genera, higher order branches are subtended by the prophyll of the relative main axis (Meert and Goetghebeur, 1979; Goetghebeur, 1986).
Vigneastra species, both taxa were scored as present for cladoprophylls because the prophyll is found at the base of the first lateral order on the inflorescence.
Cariceae inflorescences are essentially repeated structures where all prophyll types are homologous (i.
7); in fact, even the prophylls of floral and vegetative buds are rather different.
If a palea is present directly below a flower (ignoring lodicules), and if paleas are homologous with prophylls and prophylls only develop on axillary branches, then the floret is not truly terminal.
This reflects the developmental origin of the wings from prophylls in Macropteranthes and Dansiea, but from ovary wall in other genera.
2) Partial florescences reduced to one or a few fertile flowers having prophylls with more or less modified axillary productions (Fig.
3) No partial florescences but solitary flowers having prophylls with no axillary productions (Fig.