Cyphanthera

Cyphanthera is an endemic in southern Australia genus of flowering plants of the nightshade family (Solanaceae ). It consists of nine species.

Description

Vegetative characteristics

Cyphanthera species are shrubs with a strong hair. This may be fine, sticky or slightly woolly or tomentose, the trichomes are glandular, branched or branched like a tree. The leaves are mostly sessile, rarely provided with up to 10 mm long petioles. The leaf blade is ovate to narrowly or broadly ovate, elliptic to ovate -elliptic or obovate, 5-55 (rarely to 90) mm long, or only ( 1) 2-7 (10 ) mm long.

Inflorescences and flowers

The flowers are solitary or in small groups zymösen, racemose panicle or aged men inflorescences. The flower stems are 0.5 to 20 mm long. The calyx is 2-7 (10 ) mm long, the crown funnel-shaped to bell-shaped, 5-12 (22 ) mm long. The Corolla lobe are the same polymorphic, as long as or only slightly longer or shorter than the corolla tube. The male and female flowers components not beyond the crown.

The four stamens occur in two forms, occasionally a Staminodium is available. The dust bags are made of a single theca, the 0.85 to 1.3 mm long. The scar is slightly bilobed.

Fruit and seeds

The fruits are 3.5 to 5 mm long capsules that jump septum - fachspaltig have four chambers and only a few ( about six ) seeds. These are (1.6 ) 2.1 to 3.5 mm long, the embryo is nearly straight.

Other features

The base chromosome number is. In addition to tropane alkaloids contained three of eight species studied, especially for typical tobacco alkaloids.

Occurrence

The genus grows endemic in temperate southern Australia.

System

The genus consists of nine species:

• Cyphanthera albicans ( Cunn. ) Miers
• Cyphanthera microphylla Miers
• Cyphanthera miersiana Haegi
• Cyphanthera ovalifolia Endl.
• Cyphanthera tasmanica Miers