Livistona jenkinsiana (Livistona jenkinsiana)
Description
Hermaphroditic, Solitary palm. Trunk to 10 m tall, 15-23 cm in diameter; breast high, leaf scars prominent, narrow, roughened, light coloured, internodes narrow, dark coloured, petiole bases persistent in the lower portion. Leaves 20-50 in a ± globose crown; petiole 130-200 cm long, 20-25 mm wide distally, adaxially slightly concave, margins armed throughout with single or double retrorsely recurved reddish to brown spines 15-20 mm long, 10-12 mm wide at the base, base frequently swollen, spines reducing in size to tubercles toward the apex; leaf-base fibres moderately prominent, coarse, disintegrating or persistent; appendage to 25 cm long; lamina costapalmate, regularly segmented, ovate-reniform in outline, 105-130 cm long, 150-200 cm wide, adaxially shiny green, abaxially suglaucescent grey or bluish; lamina 8-16% of the segment length, 3-8 cm wide where the segments diverge, apical lobes rigid; parallel veins 9-10 each side of midrib; transverse veins thinner than parallel veins; hastula cordate. Inflorescences un-branched at the base, 60-100 cm long, not extending beyond the limit of the crown, branched to 3 orders; partial inflorescences 3-6; prophyll 30-45 cm long, woody, keeled; peduncular bract(s) lacking; rachis bracts loosely tubular, reddish-brown, glabrous, expanded distally into lanceolate acuminate lobes, sometimes longitudinally split, scurfy to glabrous; rachillae 10-30 cm long, 3-4 mm wide, rigid, yellow-green, puberulous. Flowers in clusters of 3-5, sessile, greenish cream, with inconspicuous bracteoles; sepals fused basally, fleshy, 1.2-4 mm long, 1.3-1.5 mm wide, lobes broadly ovate, with thin and subhyaline margins; petals basally fused, deltoid, acute, 2.5-4 mm long, 2.5-3 mm wide; stamens with basally fused filaments, thick and short, contracted into elongate apices, connective very short, narrow; carpel turbinate-obconical, yellow, distinctly sculptured, and contracted into a short trisulcate, filiform style, stigma simple.
Taxonomic tree
-
Domain: Eukarya
-
-
Kingdom: Plantae
-
-
Phylum: Magnoliophyta
-
-
Class: Liliopsida
-
-
Order: Arecales
-
-
Family: Arecaceae
-
-
Genus: Livistona
-
-
-
-
-
-
