Aiphanes hirsuta subsp. fosteriorum (H.E.Moore) Borchs. & R.Bernal

First published in Fl. Neotrop. Monogr. 70: 65 (1996)
This subspecies is accepted
The native range of this subspecies is SW. Colombia to NW. Ecuador. It is a tree and grows primarily in the wet tropical biome.

Descriptions

Conservation
Vulnerable (Borchsenius & Skov 1999). Criteria B2c
General Description
Understorey palm. Stems clustered, usually only one or a few large ones in each clone, to 10 m tall, 6-10 cm in diameter. Leaf blade 200-275 cm long; pinnae 15-25 on each side, inserted in groups of 3-4 and spreading in different planes, the central ones 35-60 cm long and 15-25 cm wide, rough below; pinna apex oblique, with a large blunt lobe around the midrib. Inflorescence 150-250 cm long, with 50-100 spreading, slender branches. Flowers pale violet. Fruits ca. 2 cm in diameter, pinkish red; endocarp deeply pitted. Stems 1-2 plus several suckers, to 10 m tall, 6?10 cm diam., armed with black, to 8 cm long spines, distally with old leaf sheaths. Leaves 4-6; sheath 60-80 cm long, armed with black, to 10 cm long spines; petiole 60-100 cm long, green, unarmed; rachis 210-260 cm long, unarmed; pinnae 17-24 per side, somewhat golden-green, in groups of (2-)3-4, in different planes, cuneate, 2.5-3 times as long as wide, lobulate praemorse at apex, glabrous adaxially, rough abaxially; middle pinnae 37-58 x 15-22 cm. Peduncle 110-170 cm long, 1-1.5 cm diam. at apex, with scattered brown, to 5 cm long spines; rachis 60-100 cm long, unarmed or with scattered spines like those on peduncle; rachillae 50-100, densely brown-spinulose; basal rachillae to 95 cm long, basally without flowers for up to 10 cm. 3-4 mm diam in the androgynous part. Staminate flowers pale violet, 1.5-2 mm long; anthers 0.6-0.8 mm long. Pistillate flowers 6-7 mm long; pistil glabrous. Fruit rose-red, globose, 16-22 mm diam; endocarp 15-19 mm diam., globose, deeply pitted.
Distribution
Western Andean slopes from the department of Valle in Colombia to northern Ecuador, at 900-1300 m. Premontane wet and pluvial forest in SW Colombia and NW Ecuador.
[PW]

Sources

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Palmweb - Palms of the World Online

    • Palmweb 2011. Palmweb: Palms of the World Online. Published on the internet http://www.palmweb.org. Accessed on 21/04/2013
    • Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License http://creativecommons.org/licenses/by-nc-sa/3.0