Adansonia sect. Longitubae
| Adansonia sect. Longitubae | ||||||||||||
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Adansonia madagascariensis |
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| Scientific name | ||||||||||||
| Adansonia sect. Longitubae | ||||||||||||
| Hochr. |
Adansonia sect. Longitubae is a section from the baobab tree ( Adansonia ) in the Mallow family (Malvaceae).
description
The species belonging to the Longitubae section are small to large deciduous trees with huge cylindrical, conical or bottle-shaped trunks and rounded or irregular crowns .
The stretched-cylindrical flower buds are green and at least five times longer than they are wide. The flowers sit on short, upright pedicels . The white, yellow or red petals are constricted obverse lanceolate to constricted lanceolate and at least five times longer than broad. The androeceum is white or pale yellow. The staminal tube is about 10 to 25 centimeters long, has a diameter of 1 to 1.5 centimeters and contains 100 to 350, 2 to 12 centimeters long, usually free stamens . Sometimes a central bundle of 10 to 20 stamens is fused together over about half the length.
The flowers appear during the rainy season .
The fruits are spherical to egg-shaped and have sparse to dense, reddish-brown to grayish hairs. The thickness of the pericarp varies. The kidney-shaped, flattened seeds are usually 14 millimeters long. The germination takes place phanerokotylar .
Systematics and distribution
The Longitubae section includes the species that are widespread in Australia and four species endemic to Madagascar :
- Adansonia gibbosa (A. Cunn.) Guymer ex DABaum
- Adansonia gregorii F. Muell. (mostlytreatedas a synonym for Adansonia gibbosa )
- Adansonia madagascariensis Baill.
- Adansonia perrieri Capuron
- Adansonia rubrostipa Jum. & H.Perrier
- Adansonia za Baill.
proof
- David A. Baum: A Systematic Revision of Adansonia (Bombacaceae) . In: Annals of the Missouri Botanical Garden . Volume 82, No. 3, 1995, pp. 440-471