Onosma tricerosperma
Onosma tricerosperma | ||||||||||||
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![]() Onosma tricerosperma subsp. granatensis |
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Scientific name | ||||||||||||
Onosma tricerosperma | ||||||||||||
Lay. |
Onosma tricerosperma is a plant type from the genus of onosma ( Onosma ) in the family of the Boraginaceae (Boraginaceae).
description
Onosma tricerosperma is a perennial plant . The flower-bearing stems reach heights of 20 to 40 cm. They are upright, strongly branched, finely haired and hairy with protruding, 2 to 4 mm long bristles. The lower leaves are 60 to 150 mm long and 4 to 15 mm wide, elongated spatulate, fine and hairy with bristles.
The inflorescences are heavily branched. The flower stalks are up to 10 mm long, the bracts are shorter or about as long as the calyx . This is 10 to 22 mm long at flowering time, up to 32 mm at fruit ripeness. The crown is 16 to 23 mm long, pale yellow, hairless but finely papillary . Usually it is about 1 1/3 times as long as the chalice.
The fruits are about 4 to 9 mm long, wrinkled, warty nuts with three horns.
Occurrence
The species is distributed in the middle, south and southeast of Spain and is also found in Morocco and Algeria.
Systematics
One can distinguish several subspecies:
- Onosma tricerosperma Lag. Subsp. tricerosperma : It occurs in Spain.
- Onosma tricerosperma subsp. granatensis (Debeaux & Hervier) straw (Syn .: Onosma hispanica (Degen & Hervier) Lacaita ): It occurs in Spain.
- Onosma tricerosperma subsp. mauretanica (Maire) G. López (Syn .: Onosma fastigiata subsp. mauretanica Maire , Onosma maroccana Pau ): It has the chromosome number 2n = 12. It occurs in Morocco, Algeria and Spain.
literature
- Thomas Gaskell Tutin et al. (Ed.): Flora Europaea, Volume 3: Diapensiaceae to Myoporaceae . Cambridge University Press, 1972. ISBN 978-0521084895 .
Individual evidence
- ↑ a b c d e Benito Valdés, 2011: Boraginaceae. : Datasheet Onosma tricerosperma In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
- ↑ Onosma fastigiata subsp. mauretanica at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis