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.
Spikelets with unequal and acuminate
glumes; lower
glume 2-2.7 mm long; upper
glume 3.3-4.3 x 1.3-1.6 mm, acuminate.
SEM images clearly show that the
glumes and sterile lemma are densely pilose with long clavate macrohairs which have a bulbous truncate or slightly rounded tip (Fig.
the traits sere as follow: The height of the bush, the length of ears, number of claw, straw weight, seed yield in bush,
glume, ear density, number of days till appearance of ear, number of days till physiologic growth, need to making spring cultivar, total dry matter and harvest index.
In the traits like
glume, spring cultivar, and ears density; the hypothesis of the inheritance of the one gene was tested by [X.sup.2],.
paraclade) consist of 16-26
glumes. The uppermost 1-2 and the lowermost
Lower
glume 2-3.4 x 0.6-0.8 mm, slightly concave, lanceolate, chartaceous, glabrous on the margins, 2-3 nerved, acute apex; upper
glume (2.1-) 3-4 x 0.7-0.9 mm, sub-chartaceous, ciliate on the upper half of the margins, 3-nerved, the lateral nerves tenuous, acute apex.
Within the first component, which accounted for 45% of the variation, spikelets [spike.sup.-1], first and second
glume length and width, lemma length and width all had factor loadings > 0.82.
In the last branching order (spikelet), the
glume phyllotaxis can be either spiral (e.g.
First
glume chartaceous, 2-keeled, 2-nerved, 1.3-2 mm wide, flat to slightly concave, glabrous, the tip scabrous, the margins inflexed, firmly clasping the second
glume.
The
glume is midlong and narrow, and the
glume shoulder is narrow to midwide and square.
The flower is subtended by the spikelet prophyll, which forms an utriculus that envelops flower, rachilla and distal
glume (Fig.