puberulent


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puberulent

[pyü′ber·yə·lənt]
(botany)
Having a surface covered with very fine downlike hairs.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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dcmaeifolium Origin Neotropical (American) Habitat Mangroves, brackish, saline or freshwater swamps, edges of hot springs Sterile pinnae Puberulent Sporangia Acrostichoid Spores: size and laesura Trilete, tetrahedral-globose 19-28 [micro]m Type of germination Vittaria Type of prothallial development Ceratopteris Young prothalli Lopsided Adult form gametophyte Cordiform-spathulate and glabrous Antheridia Asymmetrical Sporophyte (days) 216 Vegetative propagation (days) 185 Character/taxa A.
Leaves 4-13 cm long; petiole 10-37 mm long; pulvinus 0.4-1.6 mm diam; rachis 0.6-1.4 cm long, extrafloral nectaries 1, ovoid, claviform and fusiform, sessile or shortly stipitate, located between the proximal pair of leaflets, 1.2-1.6 x 0.4-0.9 mm; leaflets 2 pairs, papyraceous, abaxial surface pubescent and adaxial surface puberulent, the distal 60-80 x 25-37 mm, the proximal 22-60 x 10-35 mm, ellipticoblanceolate, lanceolate-elliptic, obovate, ovate, venation brochidodromous, nervures 7-13 pairs, apex emarginate, short mucronate and obtuse, base cuneate, oblique, obtuse, subcordate, margin revolute, ciliated.
Petiole adaxially grooved, 8-18 mm long, glabrous to lightly puberulent, petiolar glands absent.
They also associated eu1 (urease null), lx1 (lipoxygenase null), and p2 (puberulent) on chromosomes 5, 13, and 20, respectively.
Badillo] is a common shrub or sub-scandent shrub in the Pacific slope of Costa Rica, with hairless ribbed stems and oblong-elliptic or lanceolate-elliptic alternate leaves, 3 to 10 cm long, 1.5 to 3.5 cm wide, hard and rough, with three prominent, longitudinal veins, puberulent to pilose on both sides.
Inflorescence thyrsoid 6-9 cm long and 2 cm wide; cincinnus 2-3(-5) flower, pedicel (0.15-) 0.2-0.3 (-0.5) cm long, slightly puberulent. Elliptic to ovate-elliptic buds 0.7-1.0 cm long; spur absent.
Stems 0.5-1.2(-1.5) dm; middle and upper cauline leaves incised; fruits 2.5-3.2 mm; fruiting pedicels puberulent all around L.
Inflorescence simple, laxly many-flowered, fertile part to 35 cm long, glandular puberulent, green.; peduncle suberect to curved, 80-110 cm long, 5-7 mm wide, glandular puberulent, green (drying with a pale midsection); peduncle bracts long attenuate, the lower ones foliaceous, gradually changing to floral bract size; axis 5 mm in diameter; floral bracts ovate, sub-auriculate, acuminate to apiculate in the upper ones, 15-50 mm long, (7-)12-15 mm wide, spreading or reflexed, green to papyraceously when dry, entire, finely nerved, ecarinate, glandular, all longer than the pedicels.
Cypselae glabrous to weakly puberulent; pappus of scabrid bristles, capillary to somewhat paleaceous, the innermost slightly apically broadened and longer.