Lepidocaryum

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Lepidocaryum
Lepidocaryum tenue imported from iNaturalist photo 47565324 on 7 November 2023.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Arecales
Family: Arecaceae
Subfamily: Calamoideae
Tribe: Lepidocaryeae
Genus: Lepidocaryum
Mart. [1]
Species:
L. tenue
Binomial name
Lepidocaryum tenue
Mart.
Synonyms [2]
  • Mauritia tenuis(Mart.) Spruce
  • Mauritia casiquiarensisSpruce
  • Lepidocaryum casiquiarense(Spruce) Drude
  • Mauritia guainiensisSpruce
  • Lepidocaryum guainiense(Spruce) Drude
  • Lepidocaryum gujanense Becc.
  • Lepidocaryum gracileMart.
  • Mauritia gracilis(Mart.) Spruce
  • Lepidocaryum enneaphyllumBarb.Rodr.
  • Lepidocaryum sexpartitumTrail & Barb.Rodr.
  • Lepidocaryum macrocarpum(Drude) Becc.
  • Mauritia quadripartitaSpruce
  • Lepidocaryum quadripartitum(Spruce) Drude
  • Lepidocaryum tessmanniiBurret
  • Lepidocaryum alleniiDugand

Lepidocaryum is a monotypic genus of flowering plant in the palm family from South America where the lone species, Lepidocaryum tenue, is commonly called poktamui. Nine species names have been published, but palm taxonomists currently agree that just one variable species includes them all. [2] [3] The most reduced member of the Lepidocaryeae, it is similar in appearance to two closely related genera, Mauritia and Mauritiella , as well as to the former genus Lytocaryum (now included in Syagrus [4] ). [5] The genus name combines the Greek words for "scale" and "nut" and the species epithet is Latin for "thin".

Contents

Description

At just 2.5 cm in width, the clustering trunks reach no higher than 3.5 m and are covered at the top by old, adherent leaf bases. The small, reduplicate leaves are palmate and borne on 60 cm petioles. Each leaf is split in half, to the petiole, with each half further divided into 2–11 narrow segments.

Lepidocaryum is dioecious, with male and female flowers on separate plants, both with interfoliar inflorescences, branched to two orders, which are superficially similar. Female plants produce oblong or ovoid fruit, usually with one seed, red to brown in color and covered in scales. [3]

Distribution and habitat

Spread throughout Brazil's Amazon region, north to Venezuela, the wetter parts of Colombia, Guyana and Peru, it is an undergrowth palm found in low land rain forest. In habitat the leaves are often used in thatch. [5]

Varieties

Three varieties are recognized: [2]

Uses

In the Amazonian region of Peru, particularly in and around Iquitos, the palm's leaves are widely used for thatching roofs. [6]

References

  1. ↑ Martius, Historia Naturalis Palmarum 2:49. 1824.
  2. 1 2 3 Kew World Checklist of Selected Plant Families
  3. 1 2 Riffle, Robert L. and Craft, Paul (2003) An Encyclopedia of Cultivated Palms. Portland: Timber Press. ISBN   0-88192-558-6 / ISBN   978-0-88192-558-6
  4. ↑ "Syagrus Mart." Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 2024-04-19.
  5. 1 2 Uhl, Natalie W. and Dransfield, John (1987) Genera Palmarum - A classification of palms based on the work of Harold E. Moore. Lawrence, Kansas: Allen Press. ISBN   0-935868-30-5 / ISBN   978-0-935868-30-2
  6. ↑ Brokamp, Grischa (2015). Relevance and Sustainability of Wild Plant Collection in NW South America: Insights from the Plant Families Arecaceae and Krameriaceae. Wiesbaden: Springer Spektrum. doi:10.1007/978-3-658-08696-1. ISBN   978-3-658-08695-4. S2CID   30557398.
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