توضیحات
Livistona inermis is a species of palm. Natural distribution is from Australia, Queensland. In the northern part of the Northern Territory from the headwaters of the Daly R. across the Top End inland to Katherine
In northwest Queensland, including nearshore islands in the Gulf of Carpentaria. Grows in open forest and woodland and in sandstone gorges and outcrops, 2-300 m alt
Functionally dioecious palm. Trunk to 10 m tall, 6-10 cm in diameter; breast high, leaf scars prominently raised, internodes narrow, grey, persistent petiole stubs in the lower portion only. Leaves 10-30 in a globose crown; petiole arching, 60- 90 cm long, 6-10 mm wide, adaxially flat or shallowly concave, margins with small single curved reddish to black spines to 5 mm long restricted to the proximal portion, distally smooth or with widely spaced small reddish to black calli to 1 mm long; leaf-base fibres moderately prominent, coarse, persistent; lamina costapalmate, regularly segmented, circular to subcircular, 30-70 cm long, coriaceous, adaxially light green to greengrey, abaxially lighter green-grey glossy to lightly pruinose, segments extended along the costa; lamina divided for 80-97% of its length, with 24-48 segments, depth of apical cleft 70-84% of the segment length, apical lobes acuminate to filiform, rigid to semipendulous; parallel veins 8-10 each side of midrib; transverse veins thinner than parallel veins. Inflorescences unbranched at the base, not sexually dimorphic, 40-90 cm long, not extending beyond the limit of the crown, branched to 3 orders; partial inflorescences ca 3; the most basal partial inflorescence about as long as the remainder of the inflorescence; prophyll 12-28 cm long, 2-3 cm wide, papyraceous, glabrous; peduncular bract(s) lacking; rachis bracts loosely tubular, papyraceous, glabrous, slightly pubescent toward the apex; rudimentary bracts subtend the distal partial inflorescences; rachillae 1-9 cm long, glabrous. Flowers solitary or in clusters of 2-3, funnel-shaped, 1.5-2.3 mm long, white to cream or yellow; sepals narrowly triangular, 0.7-1.4 mm long, membranous, acute; petals triangular to broadly ovate, 1.5-1.9 mm long, thick, acute to apiculate; stamens 1.5-1.6 mm long; anthers bright yellow. Fruit obovoid to pyriform, 10-13 mm long, 6-7 mm in diam., glossy black; epicarp smooth; suture line extends the length of the fruit, marked with lip-like structures; mesocarp fleshy; endocarp thin. Seed ellipsoid, 8-9 mm long. Eophyll 3-ribbed.
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