Dypsis procumbens

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Dypsis (DIP-sis)
procumbens (pro-KUHM-benz)
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Vohimana - Madagascar (2014) - East Coast of Madagascar. Photo by "Olivier Reilhes"
Scientific Classification
Genus: Dypsis (DIP-sis)
Species:
procumbens (pro-KUHM-benz)
Synonyms
None set.
Native Continent
Africa
Africa.gif
Morphology
Habit: Clustering & solitary.
Leaf type: Pinnate
Culture
Survivability index
Common names
None.

Habitat and Distribution

Endemic to Madagascar. Widespread on the middle altitudes of the eastern escarpment, between
Vohimana - Madagascar (2014) - East Coast of Madagascar. Photo by "Olivier Reilhes"
Zahamena and Andohahela. Bamboo-rich montane forest on steep slopes, secondary bush on white gritty sand; hillcrest or mid-slope; alt. 250-1450 m.

Description

Clustering in tufts of up to 4-40 stems or apparently solitary palm. STEM(S) 1-7 m high, sometimes leaning on other vegetation, 0.9-4 cm in diam., internodes 2-15 cm, pale green, with dense redbrown to purple scales, turning glabrous and grey with age, nodal scars about 5 mm; sometimes aerial roots present at some 25 cm from the ground, 6 mm across; crownshaft 13 -16 cm long, 1.3-2 cm in diam., yellow to pale green. LEAVES 4-8 in the crown, pinnate, porrect, and sometimes marcescent leaves present; sheath 13-35 cm long, pale green with dense red-brown scales, auricles absent or up to 1 cm, fringed with red scales; petiole absent or up to 16 cm long, 2-6 mm in diam., pubescent-scaly, adaxially flat; rachis 22-70 cm long, in mid-leaf 1.5-3 mm wide, pubescentscaly; leaflets 11-23 on each side of the rachis, in groups of 2-5, fanned within the groups, occasionally with slightly swollen nodes at the base, group interval 3-13 cm, proximal 3.5-22 x 0.1-1.3 cm, median 7-26 x 0.3-3 cm, distal 7-18 x 0.2-2.7 cm, main veins 1-3, apices attenuate, proximally scaly, with few minute scattered scales, to glabrous, with prominent scales on the distal margins, distal pair joined for 0.2-2.5 cm, with 1 main vein, with dentate apices 2-6 mm wide. INFLORESCENCE interfoliar to infrafoliar, branched to 1 order, with orange axes, arching; peduncle 13-53 cm long, distally 2-7 mm in diam., pubescent; prophyll 7-40 cm long, 7-10 mm wide, borne at 1-11 cm above the base of the peduncle, open for the distal 1-7 cm, patchily pubescent; peduncular bract inserted at 5-45 cm from the base of the peduncle, circumscissile and rapidly deciduous, 9-24 cm long, with scattered scales, with a beak to 3 cm long; non-tubular peduncular bract 0.2-3.8 cm long; rachis 1.5-17 cm long, densely pubescent, orange, with 0 (-3) branched and 4-12 unbranched first order branches; rachillae 5-24 cm long, 1.5-5 mm in diam., with dense to scattered scales (rarely glabrous) and distant triads. STAMINATE FLOWERS with sepals 1.2-2 x 0.7-2.3 mm; petals orange, connate for 0.5-0.8 mm, free lobes 1.5-2.8 x 1- 2.2 mm; stamens 6, uniseriate or rarely slightly biseriate (offset 0.1-0.3 mm), filaments 0.4- 1.2 mm, anthers 0.8-1.8 x 0.4-1 mm, versatile; pistillode 0.6-1.3 x 0.2-0.7 mm, conical with obtuse apex. PISTILLATE FLOWERS with sepals 1- 2 x 1.3-3.3 mm; petals 2.5-3.6 x 2.3-3.5 mm; staminodes 0.2-0.6 mm; gynoecium 2.8-4 x 2-3.2 mm. FRUIT yellow to red, 6-9 x 4-6 mm. SEED 5-6.5 x 3-3.3 mm, with homogeneous endosperm. (J. Dransfield and H. Beentje. 1995)/Palmweb. Editing by edric.

Culture

Cold Hardiness Zone: 10a

Comments and Curiosities

Conservation: Not threatened. Widespread, with several populations in protected areas. (J. Dransfield and H. Beentje. 1995)


External Links

References

Phonetic spelling of Latin names by edric.

Special thanks to Geoff Stein, (Palmbob) for his hundreds of photos.

Special thanks to Palmweb.org, Dr. John Dransfield, Dr. Bill Baker & team, for their volumes of information and photos.

Glossary of Palm Terms; Based on the glossary in Dransfield, J., N.W. Uhl, C.B. Asmussen-Lange, W.J. Baker, M.M. Harley & C.E. Lewis. 2008. Genera Palmarum - Evolution and Classification of the Palms. Royal Botanic Gardens, Kew. All images copyright of the artists and photographers (see images for credits).

Dransfield, J. & Beentje, H. 1995. The Palms of Madagascar. Royal Botanic Gardens, Kew and The International Palm Society.


Many Special Thanks to Ed Vaile for his long hours of tireless editing and numerous contributions.

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