Genlisea subglabra
| Genlisea subglabra | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Blossom Genlisea subglabra |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Genlisea subglabra | ||||||||||||
| Stapf |
Genlisea subglabra is a carnivorous plant from the genus of trap traps inthe water hose family (Lentibulariaceae). It isnativeto Central Africa.
description
Genlisea subglabra is a perennial herbaceous plant . The bare, spatulate and at the end blunt leaves are in a dense, native rosette, 1 to 5 centimeters long and 8 to 9 millimeters wide. The numerous traps reach a length of up to 10 centimeters.
The upright, single to weakly branched inflorescence axis is 10 to 30 (rarely up to 70) centimeters high, cylindrical in cross section, glabrous in the upper part, weakly to dense in the lower part with non-glandular bristles arranged in rows, as well as a few scale leaves that resemble the bracts . These are ovate-lanceolate to linear-lanceolate, tapering to a point and reach a length of 2 to 4 millimeters, the prophylls are lanceolate and shorter.
On the inflorescence there are rarely only one, usually three to ten, rarely up to fifteen flowers on upright, 5 to 15 (20) millimeters long, bare to bristly pedicels that continue to grow during the flower and fruit .
The calyx is five-lobed and almost divided up to the base, the individual lobes are almost identically shaped, ovate-lanceolate to lanceolate, tapering to a point and 2 to 4 millimeters long and either bald or covered with short glandular hairs and non-glandular bristles. The crown is 10 to 15 millimeters long, its color is variable, the color spectrum ranges from blue to purple and violet to pink, but the spur is greenish to yellowish. The upper lip, which is up to 5 millimeters long and 4 millimeters wide, is elongated-round egg-shaped, has non-glandular bristles on the outer part and tapers towards the upper, truncated end. The clearly three-lobed lower lip is up to 9 millimeters long and 10 millimeters wide. The oblong, round, blunt spur is up to 9 millimeters long and has non-glandular bristles and short glandular hairs.
The sickle-shaped stamens are about a millimeter long, the ovary bare or only weakly covered with non-glandular bristles. The stylus is short, the scar einlappig and semicircular. The round, glabrous capsule fruit opens along elongated slits and has a diameter of 3 to 4 millimeters and releases numerous, less than 1 millimeter long, egg-shaped to approximately round seeds.
Distribution and location
Genlisea subglabra is native to Burundi , Tanzania , Zambia , Malawi and the Democratic Republic of the Congo on iron-crust soils and in swamps, there associated with Cyperus species and Lobelia mildbraedii .
Systematics and botanical history
It was first described in 1906 by Stapf on the basis of material collected in Zambia in 1896. The dense, non-glandular hairs of the calyx and the dense, glandular hairs of the ovary serve as diagnostic features. Like all African species belongs Genlisea subglabra within the genus in the section Genlisea .
Peter Taylor classified it as a subspecies of Genlisea hispidula in his floristic studies of the African water hose family of the 1970s , but this view is no longer followed today.
literature
- Eberhard Fischer, Stefan Porembski, Wilhelm Barthlott : Revision of the Genus Genlisea (Lentibulariaceae) in Africa And Madagascar with Notes on Ecology and Phytogeography. In: Nordic Journal of Botany. Vol. 20, No. 3, 2000, ISSN 0107-055X , pp. 291-318, doi : 10.1111 / j.1756-1051.2000.tb00746.x .
