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Within this pattern, the Cypereae spikelets show variations in (Tables 1 and 2): (A) number and phyllotaxis of the glumes; (B) presence of empty glumes (lack of development of flowers in lower or upper glumes); (C) glume morphology; (D) rachilla internode length; (E) prophyll development; (F) flower structure; (G) structure of the dispersal unit.
The former is a tall perennial plant with long leaf blades and the second glume is shorter than the spikelet.
1], first and second glume length and width, lemma length and width all had factor loadings > 0.
The bracts of the ultimate branchlets (spikelet bracts) are often barely distinct from glumes (Goetghebeur, 1998).
In all genera studied (Table 1), the spikelet consists of an indeterminate rachilla, and spirally to distichously arranged glumes, each subtending (or not) a bisexual (or unisexual) flower (Figs.
The main difference has traditionally been that Scirpeae have spirally arranged glumes whereas in Cypereae glumes are two-ranked (e.
graminearum among other floral components, except that infection in seeds and glumes was slightly higher than in lemma and palea (Fig.
The glumes are midlong with a purplish tip, covered with long hairs, and have rough awns equal in length to the glumes.
Glumes are of medium length with short hairs confined to the band, and their awns are smooth and less than or equal to the glumes in length.
Glumes are short, completely covered with long hairs, and their awns are rough and equal to the glumes in length.
Glumes are of medium length, completely covered with long hairs, and their awns are rough and greater than the glumes in length.
P961341 develops patches of purple pigment in the glumes to variable degrees in different environments, giving the appearance of glume blotch.
Spikes are oblong, erect, and have green, lanceolate glumes.
Spikes are dense, tapering, erect, and have green, lanceolate, awned glumes.
Glumes are short and midwide, and have rounded shoulders with acute beaks.
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