acuminate


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Related to acuminate: acuminate leaf

acuminate

[ə′kyüm·ə·nət]
(botany)
Tapered to a slender point, especially referring to leaves.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Terrestrial or epiphytic; rhizomes 3-6 mm diam., short to long-creeping, dorsiventral; rhizome scales 3-10 x 1-2 mm, ovate to linear-lanceolate, orange-yellowish with blackish central zone, light, dull, dense, margins entire; phyllopodia distinct, 10-35 mm long; fronds 20-46 (-62) cm long, spaced 0.3-1.0 cm apart; stipes (1/5) 1/3-1/2 of the frond length; basal stipe scales 3-5 mm long, gradually reduced to 1 mm near to apex of stipe, yellow-orange to blackish, with small irregular teeth; blades 15-26 (-38) x (3-) 4.5-7 cm, elliptic to lanceolate, coriaceous, base cuneate to obtuse, apex acute to acuminate; blade scales sparse, minute, stellate with blackish central body; basal costal scales to 1 mm; veins obscure to evident, free, simple to 2-forked, ca.
LEAF DESCRIPTION: SCALE-LIKE, 1/16" to 1/8" long, densely arranged on flattened branchlets, acuminate tips.
Companion (slim acuminate): similar to guard; 580 [[micro]meter] long x 30 [[micro]meter] diameter
(12) For large acuminate lesions, laser is the treatment of choice.
Pedipalp: All setae acuminate; femur 5.54-6.15, patella 2.14-2.38, chela 5.55-5.74, hand 2.35-2.53 times longer than broad; movable finger 1.27-1.36 times longer than hand, without large basal apodeme (Fig.
Anal valves with numerous acuminate chaetae; each lateral valve with chaetae a0 and 2a1; upper valve with chaetae a0, 2b1, 2b2, c0, 2c1, and 2c2 (Fig.
Leaves cross-opposite, petiolate; petiole 1.5-2 cm in length; blade elliptical to lanceolate, (3-)4-6 X2-3.5 cm, apex acuminate, base round to cuneate, eucamptodromous, green, semi-coriaceous.
Hypandrium small, fused on the sides to claspers; proximal halves of these, robust, setose, distal halves slender, elongate, straight, preapically dilated, terminally acuminate (Fig.
Leaf apex was acuminate and new leaves were light yellow, while mature leaves were bright green in colour.