Chuniophoenix

Chuniophoenix hainanensis

Chuniophoenix is a Native to Southeast Asia palm genus.

  • 4.1 Notes and references

Features

The representatives are small, multi-stemmed palm trees. They are unarmed, several times a flourishing and hermaphrodite (rarely polygamo - dioecious ). The trunk is petite with medium strong, upright and curled with leaf scars.

The chromosome number is 2n = 36

The leaves are fan folded and induplicat (v- shaped). The leaf cutting is first Roehrig, torn later compared to the petiole. The petiole is well trained and has smooth edges. A Hastula missing. The leaf blade is irregularly divided almost to the base in one to several -fold segments.

Inflorescences

The inflorescence is between the Blätetern, he is branched spike- shaped or up to two times. The peduncle is well trained. The cover sheet is short, persistent, Roehrig and zweikielig. On Peduncle there are several bracts. These are endure, Roehrig, closely scheidig and removed standing. The inflorescence axis, if any, is shorter to much longer than the peduncle. Your bracts are similar to those on the inflorescence stalk. The flower-bearing axes ( Rachillae ) are erect to protrude andcarrying spirally arranged, perennial, tubed bracts, in each of which a flower cluster sits.

Flowers

The flowers appear singly or in crowded winding up to seven flowers. The cup is Roehrig, easy two-to three-lobed. The crown has a long, stem-like base and three triangular valvate, later reflexed, fleshy tip. There are six stamens with long, fleshy filaments and oval to oblong anthers. The ovary is slightly stalked, oblong standing with basal Septalnektarien and dreifächrig. The stylus has three furrows, is in three parts and long on top. The ovules are anatrop and put on to the inner compartment wall at the base.

Fruit and seeds

The fruit is small, round and single seed. Immature istsie green and scarlet to maturity. Sit scar remains at the top. The exocarp is smooth, the mesocarp fleshy, endocarp thin. The seed is irregularly spherical, the endosperm is furrowed or homogeneous.

Dissemination and locations

The genus is native to southern China and northern Vietnam, as well as on the island of Hainan. It grows in the understory of forests.

System

The genus Chuniophoenix is placed in the subfamily Coryphoideae, Tribe Chuniophoeniceae within the family Arecaceae. The genus is monophyletic. Their exact position within the tribe is still unclear.

In the World Checklist of Selected Plant Families of the Royal Botanic Gardens, Kew, the following types are recognized:

  • Chuniophoenix hainanensis
  • Chuniophoenix humilis
  • Chuniophoenix nana

The genus is named after the botanist WY Chun, Director of the Botanical Institute of Sun Yat-sen University in Canton, named.

Documents

  • John Dransfield, Natalie W. Uhl, Conny B. Asmussen, William J. Baker, Madeline M. Harley, Carl E. Lewis: Genera palmarum. The Evolution and Classification of Palms. Second edition, Royal Botanic Gardens, Kew, 2008, ISBN 978-1-84246-182-2, pp. 287-290.
Max Burret Ovary (botany) Stigma (botany)
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