Encephalartos hildebrandtii

Encephalartos hildebrandtii is a species of cycad that is native to Kenya and Tanzania at elevations of 0 to 600 meters.[1]

Encephalartos hildebrandtii

Near Threatened  (IUCN 3.1)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Cycadophyta
Class: Cycadopsida
Order: Cycadales
Family: Zamiaceae
Genus: Encephalartos
Species:
E. hildebrandtii
Binomial name
Encephalartos hildebrandtii
A. Braun & Bouché 1874

Description

These plants have an erect stem, without branches, about 6 meters high and 30 cm in diameter, covered with linear cataphyll, covered with a thick yellowish hairs.[2]

The leaves, arranged in a crown at the apex of the stem, supported by a tomentose petiole 1–7 cm long, are 200–300 cm long and are composed of numerous lanceolate leaflets, 20–26 cm long, 28–36 mm wide, arranged on the spine at 45-80 °; the basal leaflets are reduced to thorns.

It is a dioecious species, with male specimens having 1-7 cylindrical-fusiform cones, sessile, green or yellow in color, 20–50 cm long and 5–9 cm in diameter, with large, rhombic-shaped microsporophylls, and specimens feminine that hold from 1 to 4 cylindrical cones, of yellow color, 28–60 cm long and 15–25 cm broad, with rhomboid macrosporophylls.

The seeds have an oblong shape, are 28–60 mm long, 15–25 cm in diameter and are covered by a yellow-to-red color sarcotesta.

References

  1. "Encephalartos hildebrandtii in Tropicos".
  2. "Encephalartos hildebrandtii". PlantNET Home Page - National Herbarium of New South Wales. Retrieved 2019-09-17.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.