Hypericum mexicanum
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Hypericum mexicanum |
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Hypericum mexicanum is a species ofthe St. John's wort family (Hypericaceae). This species was introduced in 1782 by Carl von Linné jr. first described. It is found in Colombia, like Venezuela, on well-drained soils.
description
Hypericum mexicanum is a sticky shrub that reaches a height of between 40 and 80 centimeters. The trunk is erect and usually branches upwards at angles between 16 ° and 45 °. The cross-opposite leaves are sessile. The egg-shaped and flat with an obtuse-angled tip leaf blade is about 7.5 to 13 millimeters long and 3.2 to 7.1 millimeters wide. The leaf surface is dotted and has a radiating vein. The central axis is clearly visible on the underside of the basal and incomplete leaf.
The hermaphroditic flowers are radial symmetry . The oval and vice versa lanceolate sepals measure 4.4 to 6 millimeters in length and 2 to 3.6 millimeters in width. Its tip is acute to obtuse angled and there are numerous transparent points on its surface. The slightly sloping and obtuse-angled petals are between one and 1.3 millimeters long and 0.4 to 0.8 millimeters wide. The ovary is between 3 and 4 millimeters in size, with the stylus on top measuring 5 millimeters. The scar is disc-shaped. The fruits reach sizes between 4.4 and 5.2 millimeters. The flowering period extends from May to August, followed by fruit ripening from November to February.
swell
- Pedraza Peñalosa, Luisa Paola: Las plantas con flores de los alrededores de la laguna de Chisacá p. 94.Bogotá 2000.
Individual evidence
Most of the information in this article comes from the sources given under Sources, and the following are also cited:
- ↑ See entry at IPNI