Rauhia

Rauhia
	Rauhia multiflora
Systematics
	Monocots
Order :	Asparagales (Asparagales)
Family :	Amaryllis family (Amaryllidaceae)
Subfamily :	Amaryllidoideae
Tribe :	Stenomesseae
Genre :	Rauhia
Scientific name
	Rauhia
	Grape

Rauhia is a genus of plants from the subfamily of the Amaryllis family (Amaryllidaceae). The botanical name of the genus honors the German botanist Werner Rauh .

description

The species of the genus Rauhia are perennial onion plants that grow with individual, underground onions. The ascending, two-line leaves appear in front of the flowers. They are oval to elongated, glaucous and fleshy and have a false petiole .

The inflorescence is umbellate and appears laterally. The upright flower stem is massive. The almost upright bracts are lanceolate. The bent or horizontal flowers are greenish white. Your flower tube is funnel-shaped. The obverse lanceolate tepals are spread out. The stamens are attached to the mouth of the perigone tube. They do not form staminal cups. The anthers are dorsifix. In each compartment of the ovary are numerous ovules . The stylus is slightly bent to the side and the scar is heady.

Rauhia multiflora fruits

The fruits are spherical loculicidal capsule fruits . They contain brown or black seeds .

The chromosome number is ${\ displaystyle 2n = 46}$

Systematics and distribution

The genus Rauhia is common in Peru on rocky slopes in the Andes.

The first description by Hamilton Paul Traub was published in 1957. The genus Rauhia includes the following species:

Rauhia albescens Meerow & Sagást. : The species first described in 2019 occurs in Peru.
Rauhia decora Ravenna : Peru (Amazon)
Rauhia multiflora (Kunth) Ravenna : Peru (Cajamarca)
Rauhia occidentalis Ravenna : Peru
Rauhia staminosa Ravenna : Peru (Amazon)

proof

literature

Silvia Arroyo-Leuenberger : Rauhia . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 235-236 .
AW Meerow, DA Snijman: Rauhia . In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants. Volume 3: Flowering Plants, Monocotyledons, Lilianae (except Orchidaceae), Springer, Berlin / Heidelberg / New York 1998, ISBN 3-540-64060-6 , pp. 106-107.

Individual evidence

↑ Plant life . Volume 13, Stanford 1957, p. 74.
↑ ^a ^b ^c ^d ^e ^f Rafaël Govaerts (Ed.): Rauhia. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved April 14, 2020.
↑ P. Ravenna: New Rauhia species from northern Peru (Amaryllidaceae) . In: Onira . Volume 7, Number 4, 2002, pp. 11-12.

Web links

Commons : Rauhia - collection of images, videos and audio files

Description at www.pacificbulbsociety.org

[1] Plant life . Volume 13, Stanford 1957, p. 74.

[WCSP-2] ↑ ^a ^b ^c ^d ^e ^f Rafaël Govaerts (Ed.): Rauhia. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved April 14, 2020.

[3] P. Ravenna: New Rauhia species from northern Peru (Amaryllidaceae) . In: Onira . Volume 7, Number 4, 2002, pp. 11-12.