Dypsis ankaizinensis (Jum.) Beentje & J.Dransf.
  • Palms Madagascar: 182 (1995) 


Notes: Distribution: N. Madagascar

General Description

Solitary palm. TRUNK 10-15 m high, 15-40 cm diam. LEAVES with sheath very large, green (Perrier), distally with dense dark brown laciniate scales, with square shoulders, not very large, to c. 8.5 cm wide when flat; petiole 2-13 cm long, up to 4 cm diam., flat with sharp margins and with dense dark scales; rachis in mid-leaf 1.3-2.2 cm wide, proximally channelled, distally keeled, with scattered white hairs and reddish glands; leaflets not very stiff, the distal half pendulous, in groups of 2-4 in mid-leaf, the group interval 2.5-5 cm, the leaflet interval 0.2-0.6 cm; proximal 47-132 x 0.6-1.2 cm, median 50-72 x 1.9-2.7 cm, distal 13-33 x 0.5-2.5 cm, main vein 1, margins thickened, sometimes slightly glaucous, pale faint glands scattered on the minor veins, apices bifid, unequally attenuate or acute. INFLORESCENCE interfoliar or infrafoliar, branched to 2 orders, erect or arching; prophyll 25-30 cm long, c. 6.6 cm wide, with scattered scales, borne at 14 cm above the base of the peduncle; peduncular bract 42-70 cm long, c. 10 cm wide, with scattered scales, beaked for 2 cm, opening over its entire length; first order branches with a secondary rachis of 6-18 cm, proximally 1.2-1.8 x 0.4-0.7 cm diam., glabrous, with 6-14 rachillae; rachillae 14-25 cm long, 2.5-4 mm diam., with distant to close slightly sunk triads, rachilla bracts proud, acute. STAMINATE FLOWERS seen as densely packed buds, with sepals 2.7-3.1 x 2.5-3.3 mm; petals 2.5-2.8 x 2.2 mm; stamens 6, uniseriate, filaments c. 1 mm and thin, anthers c. 1.3 x 0.6 mm; pistillode c. 1.8 x 0.5 mm. PISTILLATE FLOWERS not seen, but fruit with persistent sepals 3-3.4 x 3.2-4 mm; petals 4.5-5.2 x 3.5-6 mm; staminodes 0.8-1 mm. FRUIT ellipsoid, 13-17 x 8.5-12 mm (to 25 x 18 mm when fresh), with a rounded apex. SEED ellipsoid, 9.5-15 x 7.5-10 mm, with pointed base and rounded apex; endosperm ruminate, the ruminations distant, 1-2 mm deep.

Biology

Montane forest, in moist depressions or on ridge crests; 1400-2000 m. Said to be very common.

Distribution

Only known from Mt Tsaratanana.

Conservation

Unknown. Not seen for over seventy years, but the Tsaratanana area has not been visited by botanists for a long time.

Uses

Palm-heart slightly bitter, but edible.

Common Names

Laboka, Hovatra, Lavaboka.

Distribution Map

 
  • Native distribution
Found in
  • Africa Western Indian Ocean Madagascar

  Bibliography

  • 1 Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • 2 J. Dransfield & H. Beentje, The Palms of Madagascar. 1995

 Information From

Palmweb - Palms of the World Online
http://www.palmweb.org
Palmweb 2011. Palmweb: Palms of the World Online. Published on the internet http://www.palmweb.org. Accessed on 21/04/2013
  • A Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
WCS higher taxonomy
  • B All Rights Reserved
World Checklist of Selected Plant Families
http://apps.kew.org/wcsp/
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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