Gladiolus dalenii

Primrose gladiolus ( Gladiolus dalenii )

The Primrose gladiolus ( Gladiolus dalenii ) is a plant of the genus Gladiolus ( Gladiolus ) in the family of Iris Family ( Iridaceae ). She is one of the parent species of garden gladiolus ( Gladiolus × hortulanus ).

Features

The Primrose gladiolus is a perennial herbaceous plant that reaches the heights of growth of 0.25 up to 1.50 m. As outlasting this Geophyt forms tubers with about 2.5 to 3.5 cm in diameter, they have long streamers on. The most straight stem has a diameter of 3 to 4 mm. The alternate and distichous distributed on the stem leaves are simple, long, sword- shaped, parallel-veined, about 30 to 60 inches long and about 1-4 inches wide. The leaf margin is smooth.

There shall be terminated, branched or unbranched, eared inflorescences containing 2 to 2.8 ( 1.5 to 3.5 ) cm long, green to reddish bracts and usually five to nine (rarely up to twelve ) flowers. The sessile, hermaphrodite, zygomorphic flowers are threefold. The curved and gradually expanded flower tube is about (1.2 to ) usually 1,8 to 2 cm long. There are two by three different polymorphic bracts present, they are either orange-red to pink or rarely yellow to whitish, without patterns. The tip is pointed, the upper covers the helmet-shaped scar. It is only the inner circle with three free, fertile stamens present, because they are relative to the outer bloom cladding. The filaments have a length of 8 to 10 mm, and the dust bag are 7 to 12 mm long. Three carpels are fused into one inferior ovary. The style ends in three scars. The flowering period extends usually from July to September.

The capsule dreifächerige fruit has a length of 15 to 20 ( often up to 25 ) mm and contains many seeds.

Occurrence

The Primrose gladiolus comes in Ethiopia, South Arabia, Senegal, in the south-western Angola, East Africa and South Africa and Madagascar in wood and grass savannas ago.

Use

The Primrose gladiolus is rarely used as an ornamental plant. Their tubers are used as food and medicinal use of funds. It is in culture at least since 1825.

The flowers are, after removing the dust bag, eaten raw or cooked. Children suck nectar from the flowers.

Subspecies

There are three subspecies:

  • Gladiolus dalenii subsp. andongensis ( Baker) Goldblatt ( Syn: .. pauciflorus G. De Wild, G. goetzei Harms, G. andongensis Welw ex Baker, G. mildbraedii Vaupel )
  • Gladiolus dalenii Van Geel subsp. dalenii
  • Gladiolus dalenii subsp. welwitschii ( Baker) Goldblatt (syn.: G. welwitschii Baker)

Documents

  • Entry in Aluka. (English )
Ovary (botany)
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