Onosma
Sand Lotwurz ( Onosma arenaria subsp. Arenaria )
The Lotwurzen ( Onosma ) are a genus of flowering plants in the family Boraginaceae ( Boraginaceae ). They are found in Europe and Asia.
Description
Lotwurz species are one, two or perennial herbaceous plants that are hairy bristly. The leaves are alternate.
The flowers are in terminal, usually branched, provided with bracts cymes. The calyx is divided almost to the base and often increases after flowering. The crown is colored yellow, whitish or purpurlich, tubular occupied by tubular - bell-shaped, with five short, protruding or folded corners. Inside the crown no scales are formed, but near the base is an annulus. The stamens are included in the crown or protrude out of her. The stamens put on at about half the height of the crown. The anthers are provided on the base arrow-shaped at the top usually with a protruding connective. The style stands out from the crown, the scar is capitate to two columns.
The Klaus fruit decays into four fruits of which usually stunted part. They are ovate or triangular, pointed or beaked, erect, smooth or warty and have a triangular, flat ground.
Types (selection)
In Europe, following Lotwurz species occur:
- Sand Lotwurz ( Onosma arenaria Waldst. & Kit. )
- Onosma austriaca ( G.Beck ) Fritsch
- Onosma bubanii straw
- Onosma echioides (L.) L.
- Onosma elegantissima Rech f & Goulimy
- Onosma erecta Sm
- Onosma euboica Rech f
- Onosma fastigiata ( Braun-Blanq. ) Lacaita
- Onosma frutescens Lam.
- Onosma graeca Boiss.
- Switzerland - Lotwurz ( Onosma helvetica (A. DC. ) Boiss. )
- Onosma heterophylla Griseb.
- Onosma leptantha Heldr.
- Onosma lucana Lacaita
- Onosma mattirolii soon.
- Onosma montana Sm
- Onosma polyphylla Ledeb.
- Onosma propontica Azn.
- Onosma pseudoarenaria Schur
- Onosma rhodopea Velen.
- Onosma setosa Ledeb.
- Onosma simplicissima L.
- Onosma stellulata Waldst. & Kit.
- Onosma taurica Pall. ex Willd.
- Onosma Taygetea Boiss. & Heldr.
- Onosma thracica Velen.
- Onosma tinctoria M. Bieb.
- Onosma tornensis jav.
- Onosma tridentina Wettst.
- Onosma tricerosperma Lag
- Onosma vaudensis Gremli
- Dalmatia- Lotwurz ( Onosma visianii Clementi )
Some Asian species are:
- Onosma bhutanica ( IMJohnst. ) Grierson & DGLong
- Onosma bicolor Wall. & G.Don
- Onosma emodi Wall.
- Onosma griersonii R.R.Mill
- Onosma hookeri C.B.Clarke
- Onosma paniculata Bureau & Franch.