Convolvulus fruticosus
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Convolvulus fruticosus is a plant type from the genus of the winches ( Convolvulus ) from the family of wind plants (Convolvulaceae). The species is common in Asia .
description
Convolvulus fruticosus is a shrub or dwarf shrub , with a height of 20 to 50 cm. The twigs are scattered densely, sparsely, and covered with felt-like hairs with adjoining trichomes . Occasionally there are short, hard spines on the branches . The lower leaves are occasionally in dense groups on short shoots. The leaves are almost sessile, the leaf blade linear-spatulate to linear, rarely elongated and inverted ovoid. They are 2.2 to 3.5 (rarely up to 4.5) cm long, 4 to 7 mm wide and densely hairy with adjacent trichomes. The base is down on the petiole , the tip is pointed to blunt.
The flowers are on 2 to 6 mm long pedicels individually or in two- to four-flowered cymes in the armpits on short side branches, which often end in one or two spines. The loosely fitting sepals are variable, the outer two are elongated or inverted ovate, 8 to 10 mm long and bristly hairy on the outside. The inner three sepals are egg-shaped and hairless and spiky. The crown is narrowly funnel-shaped, (1.3) 1.7 to 2.6 cm long, on the outer central axis the petals are densely hairy brown. The stamens do not protrude beyond the crown and are of unequal length. The anthers are spear-shaped and blunt at the tip. The ovary is conical and hairy, the scars are linear.
The fruits are egg-shaped, pointed capsules with a length of 5 to 7 mm. They are hairy at the top.
distribution
The species is distributed in the People's Republic of China , Afghanistan , Kazakhstan , Kyrgyzstan , Mongolia , Pakistan , southern Russia , Tajikistan , Turkmenistan , Uzbekistan and Southwest Asia. It grows on gravelly or sandy soils in deserts, mountains and plains at altitudes of 1400 to 2000 m.
literature
- Fang Rhui-cheng and George Staples: Convolvulus (PDF; 163 kB) In: ZY Wu and PH Raven (eds.): Flora of China . Volume 16 (Gentianaceae through Boraginaceae). Science Press, Beijing and Missouri Botanical Garden Press, St. Louis. 1995.