Burmannia ledermannii

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Burmannia ledermannii
Systematics
Class : Bedecktsamer (Magnoliopsida)
Monocots
Order : Yams (Dioscoreales)
Family : Burmanniaceae
Genre : Burmannia
Type : Burmannia ledermannii
Scientific name
Burmannia ledermannii
Jonker

Burmannia ledermannii is a species ofthe Burmanniaceae family . It is native to Palau and New Guinea .

description

Burmannia ledermannii is an annual, leaf-green, unbranched to seldom branched herbaceous plant that reaches a height of up to 12 centimeters. It is semi-mycotrophic . There is no rhizome and the roots are fibrous. The leaves are small, linear, pointed and 2.5 to 5 millimeters long. They stand as a down-to-earth rosette of two to five leaves and close to the stem, where they are linearly lanceolate and around 2 to 4 millimeters long.

The inflorescence consists of a terminal single flower . The almost sessile flowers are around 7 millimeters long and light purple. The flower tube is cylindrical and 3 millimeters long, the 1 to 2 millimeter wide wings are halved elliptical and run from below the ovary to the middle of the lobes. The outer lobes are triangular, thin and erect, the inner ones similar to the outer ones but smaller. The one to three stamens are thread- shaped , the thecae are trumpet-shaped. The stylus is thread-shaped, with short branches and 2 to 3 millimeters long, at its end there are three to four trumpet-shaped scars .

The ovaries are elliptical to inverted egg-shaped and 3.7 to 4.2 millimeters long. The inverted egg-shaped capsule opens along transverse slits. The seeds are numerous and elliptical.

distribution

Burmannia ledermannii is native to Palau and New Guinea , where it grows scattered along shallow, swampy streams at altitudes of around 250 meters.

Systematics

The species was first described in 1938 by Fredrik Pieter Jonker .

proof

  • Dianxiang Zhang : Systematics of Burmannia L. (Burmanniaceae) in the Old World , pp. 213-215, in: Hong Kong University Theses Online, Thesis (Ph.D.), University of Hong Kong, 1999