Burmannia geelvinkiana
| Burmannia geelvinkiana | ||||||||||||
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| Burmannia geelvinkiana | ||||||||||||
| Becc. |
Burmannia geelvinkiana is a species ofthe Burmanniaceae family . It is native to New Guinea .
description
Burmannia geelvinkiana is an annual, leaf-green, thread-like, slender, unbranched to seldom branched herbaceous plant that reaches a height of 9 to 11 centimeters. It is semi-mycotrophic . There is no rhizome and the roots are fibrous. The leaves are lanceolate to linear and pointed and around 3 millimeters long. They stand as a down-to-earth rosette of two to five leaves and are closely attached to the stem, where they are pointed and around 3 millimeters long.
The inflorescence is usually a single flower, but occasionally also consists of two or three flowers . The almost sessile flowers are around 7.3 millimeters long and lavender in color. The flower tube is cylindrical, three-angled and 1.6 millimeters long, the extremely reduced wings are rib-like and run from below the base of the ovary to the base of the outer lobes. The outer lobes are triangular, thin and upright and 1.6 millimeters long, the inner lanceolate, thin, inclined towards the stamens and 0.5 to 0.6 millimeters long. The stamens are sessile and start in the pharynx below the inner lobes, the connective has two short, lateral arms that carry the thecae .
The ovaries are elliptical to round and 3.5 to 4.5 millimeters long. The inverted egg-shaped to approximately round, 4 to 5.5 millimeters long capsule opens along transverse slits. The seeds are numerous and elliptical.
distribution
Burmannia geelvinkiana is native to western New Guinea , where it grows in savannas at altitudes between 20 and 3000 meters. It is associated with Baeckea frutescens , Nepenthes phyllamphora as well as myrtle heather and acacia species .
Systematics
The species was first described by Odoardo Beccari in 1877 .
literature
- Dianxiang Zhang : Systematics of Burmannia L. (Burmanniaceae) in the Old World , pp. 215-217, in: Hong Kong University Theses Online, Thesis (Ph.D.), University of Hong Kong, 1999
Individual evidence
- ↑ Rafaël Govaerts (ed.): Burmannia - World Checklist of Selected Plant Families of the Royal Botanic Gardens, Kew. Last accessed on June 23, 2018.