Waltheria indica
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Waltheria indica is a species of the mallow family (Malvaceae).
description
Waltheria indica is an upright or prostrate subshrub that is heavily branched and can reach heights of up to one meter. The young twigs are densely fluffy. The leaf stalks are 0.5 to 1 centimeter long. The leaf blade is 2.5 to 4.5 inches long, 1.5 to 3 inches wide, ovate to long, elliptical-ovate and densely puffy on the top and bottom. The leaf base is rounded to slightly heart-shaped, the leaf edge is slightly serrated and the leaf tip is blunt. The inflorescence is zymose, head-shaped and axillary. The inflorescence axis can be almost absent or reach lengths of up to 1.5 centimeters. The lobes of the outer calyx are about 4 millimeters in size and almost lanceolate. The calyx is 3 to 4 millimeters in size, tubular and five-lobed. The lobes are triangular and considerably longer than the tube. The petals are spatulate, yellowish, with a clipped tip and a little longer than the sepals. The dust tube surrounds the ovary . The ovary is sessile and hairy downy. The stylus are inserted at an angle. The scar is frayed. The capsule is about 3 millimeters in size, obovate, hairy, solitary and enclosed by a permanent calyx. The seeds are very small and obovate.
The flowering time is in summer and autumn.
The number of chromosomes is 2n = 14 or 24.
Occurrence
The species is spread pantropically . It is native to North, Central and South America. In numerous other countries in the tropics and also in China it is a neophyte. In China it occurs in Fujian , Guangdong , Guangxi , Taiwan and Yunnan .
Systematics
Waltheria indica was first described by Carl von Linné in 1753 . Synonyms are Waltheria americana var. Indica (Linnaeus) K. Schumann , Waltheria indica var. Americana (Linnaeus) R. Brown ex Hosaka and Waltheria makinoi Hayata .
use
Waltheria indica is used as an ornamental and medicinal plant.
literature
- Ya Tang, Michael G. Gilbert, Laurence J. Dorr: Waltheria indica . In: Flora of China . Volume 12, 2007, p. 321 online
Individual evidence
- ^ A b Waltheria in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved June 14, 2017.
