Geonoma maxima subsp. sigmoidea Henderson, 2011

Henderson, Andrew, 2011, A revision of Geonoma (Arecaceae), Phytotaxa 17, pp. 1-271 : 102

publication ID

https://doi.org/ 10.11646/phytotaxa.17.1

DOI

https://doi.org/10.5281/zenodo.5609069

persistent identifier

https://treatment.plazi.org/id/FA4887FA-247B-BD22-FF37-DFE418C8A0A3

treatment provided by

Plazi

scientific name

Geonoma maxima subsp. sigmoidea Henderson
status

subsp. nov.

37i. Geonoma maxima subsp. sigmoidea Henderson View in CoL , subsp. nov. (Appendix IV, Plate 51)

A subspeciebus aliis angulo pinnarum basalibus amplus differt.

Type: COLOMBIA. Amazonas: corregimiento de Araracuara, carretera a Puerto Arturo, sitio “Guácheros”, ca. 360 m, 18 September 1987, G. Galeano & J. Huitoto 1279 (holotype COL!, isotype NY!).

Leaves regularly pinnate with 3–5-veined pinnae (except for basal and apical ones), not plicate; rachis 34.1(27.5–48.5) cm long; pinnae 16(10–20) per side of rachis; basal pinna 0.3(0.2–0.6) cm wide, forming an angle of 70(50–87)° with the rachis. Inflorescences rachillae 28(16–42).

Distribution and habitat:— From 0°04’N– 1°18’S and 72°05’– 72°52’W in the western Amazon region in Colombia (Amazonas, Caquetá) at 270(200–360) m elevation in lowland rainforest ( Fig. 27 View FIGURE 27 ).

One specimen (Galeano 2080) has larger leaves and exceptionally large fruits (13.3 cm long and 11.5 cm diameter), and may be a hybrid with a morphotype of subsp. chelidonura .

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Arecales

Family

Arecaceae

Genus

Geonoma

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