Waltheria

Waltheria
	Waltheria indica
Systematics
	Rosids
	Eurosiden II
Order :	Mallow-like (Malvales)
Family :	Mallow family (Malvaceae)
Subfamily :	Byttnerioideae
Genre :	Waltheria
Scientific name
	Waltheria
	L.

Waltheria communis

Waltheria indica with the butterfly Atrophaneura hector

Waltheria virgata

Waltheria is a genus of plants from the Mallow family (Malvaceae). The main distribution area of the approximately 50 species is in tropical America.

description

Waltheria species are perennial herbaceous plants or subshrubs . They are weakly star-haired, fluffy and rarely lignified. The stipules are lanceolate, the leaf blade is simple and has a finely serrated leaf margin. The inflorescence is terminal or axillary, zymös and often the flowers are crowded together. The flowers are hermaphrodite and small. The chalice has five lobes. The five petals are spatulate and persistent. The five stamens are fused at the base and arranged opposite to the petals. The dust bags are two-tier, the counters are parallel. The ovary is sessile and unicameral. There are 2 ovules . The stylus are clubbed or frayed at the tip. The capsule is double-sided. There is one seed per capsule. The seeds have a lot of endosperm . The cotyledons are flat.

Occurrence

The genus is mainly found in the tropics of America. One species occurs in China.

Systematics

Waltheria was first described by Carl von Linné in his work Species Plantarum in 1753 . There are around 50 different types. Here is a selection:

Waltheria acuminata Rose : It was described from Mexico.
Waltheria albicans Turcz. : It was described from Brazil.
Waltheria bahamensis Britton : It occurs in the Bahamas and Florida.
Waltheria berteroi (Spreng.) JGSaunders : She was described from Colombia.
Waltheria carmensarae J.G.Saunders : It was described from Argentina.
Waltheria carpinifolia A.St.-Hil. & Naudin : It was described from Brazil.
Waltheria collina K. Schum. : It was described from Brazil.
Waltheria communis A.St.-Hil. : It was described from Brazil.
Waltheria detonsa A. Gray : It occurs in Arizona and Mexico.
Waltheria glomerata C. Presl : It was described from Panama.
Waltheria indica L.
Waltheria involucrata Benth. : It was described from South America.
Waltheria lanceolata R.Br. ex mast. : It was described from tropical Africa.
Waltheria macrophylla Hassl. : It was described from Paraguay.
Waltheria operculata Rose : It was described from Mexico.
Waltheria ovata Cav.
Waltheria procumbens J.G. Saunders & Soria : It was described from Paraguay.
Waltheria viscosissima A.St.-Hil. : It was described from Brazil.

supporting documents

literature

Wu Zheng-yi, Peter H. Raven, Deyuan Hong (Eds.): Flora of China . Volume 12: Hippocastanaceae through Theaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 2007, ISBN 978-1-930723-64-1 , pp. 321 (English).

Individual evidence

↑ ^a ^b ^c Ya Tang, Michael G. Gilbert, Laurence J. Dorr: Waltheria . In: Flora of China , Volume 12: p. 321
↑ Waltheria. In: The Plant List. Retrieved November 10, 2013 .
^ ^A ^b Janice G. Saunders: Waltheria Linnaeus. In: Flora of North America, vol. 6. [1] .

Web links

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

[FoC-1] Ya Tang, Michael G. Gilbert, Laurence J. Dorr: Waltheria . In: Flora of China , Volume 12: p. 321

[PlantList-2] Waltheria. In: The Plant List. Retrieved November 10, 2013 .

[FNA-3] A ^b Janice G. Saunders: Waltheria Linnaeus. In: Flora of North America, vol. 6. [1] .