Burmannia steenisii
| Burmannia steenisii | ||||||||||||
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| Scientific name | ||||||||||||
| Burmannia steenisii | ||||||||||||
| Jonker |
Burmannia steenisii is a species ofthe Burmanniaceae family . It is only known from a single find from Java .
description
Burmannia steenisii is an annual, leaf-green, continuously whitish, unbranched herbaceous plant that reaches a height of 2 to 6 centimeters at flowering time. It is mycotrophic . There is no rhizome, the roots are fibrous and short. The leaves are 0.5 to 1.5 millimeters long, are absent at the base and only appear sporadically on the stem, where they are lanceolate, tapering to a point, close fitting and keeled.
Flowering time is in July. The inflorescence consists of one or two terminal flowers . The sessile, upright flowers are around 7 millimeters long and of a pure white color with yellow flower wings. The flower tube is cylindrical-triangular to conical-triangular and 2.5 millimeters long, the approximately 4.5 millimeter long and 1.5 millimeter wide wings are halved elliptical to halved quadrangular and run from the middle of the outer flower lobes to the base of the ovary . The outer lobes are triangular, upright, with narrow, slightly fleshy edges and an approximately blunt outer end and about 1 millimeter long, the inner circular rounded and small. The stamens are sessile and start in the pharynx, below the inner lobes. The connective has two short, lateral arms that carry the thecae and have a broad, blunt spur pointing downwards at the base. The stylus is thickened and thread-shaped, together with the scars it is as long as the corolla tube, at its end are the three sessile, trumpet-shaped scars .
The ovaries are approximately round and 2 millimeters long. The approximately round capsule opens along transverse slits. The seeds are numerous and chip-shaped.
distribution
Burmannia steenisii is only known from a single discovery in Java on Mount Lamongan .
Systematics
The species was first described in 1938 by Fredrik Pieter Jonker .
proof
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