Plant of the month Febuary,2004
Eng (thai)

 

 

Kerriodoxa elegans Dransfield, Principes 27 (1): 4. 1983.
Palmae (Arecaceae)

Description: Solitary dioecious palm, with a short erect trunk to 5 m tall. Leaf base not fibrous; petiole to 2 m, semicircular in cross-section, margins extremely sharp; lamina palmate circular ca 2 m wide; adaxial hastuala conspicuous triangular ca 5 mm high; adaxial folds ca 90, splitting to 10–40 cm to produce uniform stiff single fold segments, ca 4. cm wide; dark shiny green above, densely shalky white below. Male inflorescences to 45 cm, creamy white; female ones erect to 75 cm, creamy white to green; bracts undulate tubular with a triangular apiculate tip; inflorescences axes densely covered with greyish-brown tomentum; rachillae somewhat zig-zag, baring 2 flowers on a short tubercle. Male flower calyx with a basal trigonous tube and 3 spiculate lobes; corolla triangular ca 2.5 x 1 mm; staments 6 borne in two whorls of 3, filaments join at the base; pistillode absent. Female flower calyx forming a tube ca 2.0 mm diam., tipped with 3 short narrow traingular lobes; corolla base forming a solid column 1–2 x 1.5 mm, lobes 3, ca 1.3 mm; staminodes 6 with flattened empty anthers; ovary usually 3 carpels; stigma free, short, outward curved; ovules 1 in each carpel, usually one developed. Fruits rounded, depressed at the base, ca 4.5 x 3 cm; epicarp orange, covered in short pustules; mesocarp ca 7 mm thick, whitish, soft and spongy; endocarp thin. Seed 2.5–3.0 cm diam.

 

 

Distribution: Endemic, locally common in Khao Phra Thaeo Non–hunting area, Phuket, also recorded from Khao Sok NP, Surat Thani. It is confined to moist condition, on hill slopes and valley bottoms by streams. Commonly cultivated in gardens.

Notes: Last updated on 28 November 2016.

Thai name: Thang lang khao (ทางหลังขาว).

Photos: Rachun Pooma (Khao Phrataeo National Park, Phuket, 3 December 2003).

References: 
Barfod, A.S. and J. Dransfield. 2013. Arecaceae. In Flora of Thailand Vol. 11(3): 422–425.