rostrate


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Related to rostrate: prostration, prostrate, rostral, rostrum
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Words related to rostrate

having a beak or beaklike snout or proboscis

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References in periodicals archive ?
It is assigned provisionally to Rhytidorhachis because it has a rostrate shell with a delthyrium covered by thick medially conjunct deltidial plates and prominent concentric ornament.
Staminate inflorescence with prophyll 14 cm long, 12 cm wide; bracts 7, carinate and more or less rostrate, light-brown, 24-136 cm long, 14-16.5 cm wide; peduncle 71.5 cm long; rachis 52.5 cm long; 43 first order branches, basal and middle first order branches with 18-25 second order branches (14.5-21 cm long), distal first order branches with 1-2 second order branches (6.5-10 cm long).
Cypselae oblong, ellipsoid, ovoid, obovoid to turbinate, truncate, attenuate to rostrate at the apex, smooth to ribbed; glabrous to pubescent, with typical or modified twin hairs, glandular hairs and leaf-like hairs (e.g., two-armed, flagellate); pappus of one to more series of bristles, equal to unequal in length, scabrid to plumose, capillary to somewhat rigid and paleaceous, reduced to a crown of fringed scales, or absent.
Capsule green, fusiform, rostrate, 4-6.5 cm long, 6-7 mm in diameter; seeds dark brown, fusiform, ca.
Androecium represented by only one stamen, with basifixed to sub-dorsifixed anther, glabrous, large filament, rostrate connective.
Cypselae rostrate to long-attenuate at the apex, glabrous to pubescent; pappus of scabrid, capillary bristles.
Inflorescence branching to one order, interfoliar, erect, arching or pendulous, protogynous; peduncle usually elongated, circular to oval in cross section, densely covered in indument, often heavily armed with spines; prophyll short, bicarinate, fibrous, unarmed or armed with small spines or bristles, hidden in the leaf bases; peduncular bract much exceeding the prophyll, spindle-shaped, often rostrate, splitting longitudinally along the abaxial face, persistent or eroding, usually densely tomentose, heavily armed with spines or unarmed; rachis shorter than the peduncle bearing spirally arranged rachillae, each sustented by a narrow triangular bract; rachillae ca.
Valves linear-lanceolate, constricted at the middle, with rostrate ends.