Geonoma pauciflora

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Geonoma (geo-NO-mah)
pauciflora (paw-sih-FLOR-ah)
11 519d0c076fc00.jpg
Bahia - Brazil.
Scientific Classification
Genus: Geonoma (geo-NO-mah)
Species:
pauciflora (paw-sih-FLOR-ah)
Synonyms
Geonoma conduruensis, (Changed 2010).
Native Continent
America
America.gif
Morphology
Habit: Solitary & clustering.
Leaf type: Entire bifid.
Culture
Survivability index
Common names
None.

Habitat

Brazil Northeast.
Farm São Miguel -Itacaré - BA - Brazil. Photo: Mauricio Caixeta.
From 8°24-17°04'S and 35°04-41°23'W in the Atlantic Coastal Forest of Brazil from Pernambuco to Bahia, with an inland outlier in Bahia, at 291(20-770) m elevation in lowland rainforest.

Description

The leaf in shade was purple black and had a salmon pink emerging new leaf, in the sun it is was a dark purple green and the leaf had the texture of leather.

Small palm 1.9 (1.0-3.0) m tall; stems 2.3 (1.5-3.0) m tall, 0.7 (0.5-1.2) cm in diameter, solitary or clustered, canelike; internodes 2.0 (0.9-2.9) cm long, yellowish and smooth. Leaves 12 (7-19) per stem, undivided or irregularly pinnate, not plicate, bases of blades running diagonally into the rachis; sheaths 8.4 (3.7-15.5) cm long; petioles 12.8 (4.5-27.0) cm long, drying green or yellowish; rachis 24.2 (13.0-44.0) cm long, 2.5 (1.2-4.5) mm in diameter; veins not raised or slightly raised and triangular in cross-section adaxially; pinnae 2 (1-6) per side of rachis; basal pinna 17.5 (10.5-26.0) cm long, 3.0 (1.4?6.0) cm wide, forming an angle of 36 (14-66)° with the rachis; apical pinna 11.8 (7.0-18.5) cm long, 8.3 (5.0-18.0) cm wide, forming an angle of 30 (17-45)° with the rachis. Inflorescences unbranched or branched 1 order; prophylls and peduncular bracts not ribbed with elongate, unbranched fibers, flattened (if tubular, narrow, and elongate then not ribbed), deciduous or persistent; prophylls 13.5 (7.0-19.0) cm long, not short and asymmetrically apiculate, the surfaces not ridged, without unequally wide ridges; peduncular bracts 12.4 (5.4-18.5) cm long, well-developed, inserted 3.1 (1.6-5.1) cm above the prophyll; peduncles 20.8 (10.5-33.5) cm long, 2.7 (1.2-5.0) mm in diameter; rachillae 3 (1-6), 10.7 (4.7-18.2) cm long, 2.9 (1.6-4.3) mm in diameter, the surfaces without spiky, fibrous projections or ridges, drying brown or yellow-brown, without short, transverse ridges, not filiform and not narrowed between the flower pits; flower pits usually spirally arranged, sometimes decussately or tricussately, then the groups not closely spaced nor consistently arranged throughout the rachillae, glabrous internally; proximal lips without a central notch before anthesis, not recurved after anthesis, not hood-shaped; proximal and distal lips drying the same color as the rachillae, not joined to form a raised cupule, the proximal lipmargins overlapping the distal lip margins; distal lips well-developed; staminate and pistillate petals not emergent, not valvate throughout; staminate flowers deciduous after anthesis; stamens 6; thecae diverging at anthesis, inserted almost directly onto the filament apices, the connectives bifid but scarcely developed; anthers short and curled over at anthesis; non-fertilized pistillate flowers deciduous after anthesis; staminodial tubes crenulate or shallowly lobed at the apex, those of non-fertilized pistillate flowers not projecting and persistent after anthesis; fruits 9.6 (7.3-12.1) mm long, 7.4 (5.6-8.5) mm in diameter, the bases with a prominent, asymmetric stipe, the apices conical with rounded apices, the surfaces not splitting at maturity, without fibers emerging, not bumpy, not apiculate; locular epidermis without operculum, sculpted, usually also with a raised, meridional ridge; locular epidermis without pores. (Henderson, A.J. 2011)/Palmweb. Editing by edric.

Culture

Cold Hardiness Zone: 10b

Comments and Curiosities

Geonoma conduruensis, lumped into G. pauciflora, by A. Henderson 2010.


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).

Henderson, A.J. 2011. A revision of Geonoma. Magnolia Press.


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

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