Cestrum dasyanthum

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Cestrum dasyanthum
Systematics
Asterids
Euasterids I
Order : Nightshade (Solanales)
Family : Nightshade family (Solanaceae)
Genre : Hammer bushes ( cestrum )
Type : Cestrum dasyanthum
Scientific name
Cestrum dasyanthum
Thu.Sm.

Cestrum dasyanthum is a plant type from the genus of cestrum ( Cestrum ). It is endemic to Guatemala .

description

Cestrum dasyanthum is a 1.5 to 6 m high shrub whose branches are finely haired with brownish trichomes . The leaves are ovate to elliptical, the base is blunt, they are pointed towards the front. The leaf blade is 5 to 13.5 cm long and 2 to 4.5 cm wide. Both the top and the underside are finely haired, along the veins on the underside the hairiness is thicker. The axillary leaves fall off early, are almost circular and 4.5 to 6 mm long and 4 to 5 mm wide and almost sessile, the tip is blunt.

The inflorescences are both in the axils and at the end, they can be panicle or grape-shaped and consist of a few to many flowers . The rachis is finely haired with brownish trichomes, sometimes only sparsely. The bracts are linear and not durable. The flowers are on a 0.5 to 1 mm long peduncle , which is also finely hairy. The 5 to 6 mm long, finely hairy calyx is covered with 0.5 mm long, rounded and spiky calyx tips. The calyx tube is split on both sides on a third or up to half. The crown is colored yellow, the corolla-tube is 11.5 to 15 mm long and finely hairy on the outside, upwards it is more and more widened. The corolla lobes are 4 to 4.5 mm long, egg-shaped and hairy on the outside with fine or finely felted hair. The slightly swollen stamens are 3.5 to 4 mm long, bent to the knee and finely haired at the base. The anthers are about 1 mm long, there are no attachments. The stylus has a length of 10.5 to 13 mm.

The fruits are about 12 mm long and contain about 13 seeds 3.5 to 4 mm in length.

distribution

The species occurs in moist forests at altitudes between 2300 and 3000 m. She is endemic to the Guatemalan state of Huehuetenango .

literature

  • Johnnie L. Gentry Jr. and Paul Standley: Flora of Guatemala. Solanaceae , Fieldiana: Botany, Volume 24, Part X, Numbers 1 and 2. Field Museum of Natural History, 1974.