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Photo: Bramley, G.

Photo: Bramley, G.

Subfamily

VII. Subfam. Nepetoideae (Dumort.) Luerss. (1882).

VII. 2. Tribe Mentheae Dumort. (1827).

VII. 2. A. Subtribe Salviinae (Dumort.) Endl. (1838).

Description

Shrubs, sometimes gynodioecious, strongly aromatic, with simple and dendroid hairs; leaves linear to lanceolate, revolute, entire, sessile; inflorescences as short, 5-15-flowered racemes in axils of upper leaves; bracts inconspicuous; bracteoles absent; flowers pedicellate; calyx 2-lipped, 3 or 5-lobed (1-3/2), campanulate to infundibuliform, widening above, posterior lip curved upwards, triangular, tube 11-12-nerved, accrescent; corolla strongly 2-lipped, 5-lobed (2/3), violet to white, posterior lip with lobes spreading, anterior lip with lateral lobes, shorter, median lobe rounded, concave, toothed, tube short, exannulate; stamens 2, posterior pair absent or rudimentary, anterior pair long-exserted, ascending, much shorter in male-sterile flowers, anthers elongate, with single fertile theca separated by an elongate, downward curving connective from the sterile theca represented by small, tooth-like appendage, connective not articulating with filament and appearing continuous; style curved, exserted; stigma-lobes short, unequal; disc 4-lobed, anterior lobe largest; nutlets ovoid, smooth, abscission scar large with central pore, not mucilaginous, pseudostrophiolate.  2n = 24.  Three species, with natural hybrids, in the Mediterranean region and Caucasus.  Rosmarinus officinalis L. has been widely cultivated since antiquity as an ornamental.

Distribution

Native to:

12 Southwestern Europe
13 Southeastern Europe
20 Northern Africa
21 Macaronesia
34 Western Asia

Introduced to:

14 Eastern Europe
77 South-Central U.S.A.

Publication

Rosmarinus L., Sp. Pl. 1: 23 (1753).

Species found in RBG Kew living collections

1991-1010 Rosmarinus X mendizabalii Sagredo & Rosua N JMSU 90  154 0503   :  154 0510   :  ALP_H 05   :  ALP_N HH FRAME8
1991-1006 Rosmarinus eriocalyx Jord.& Fourr. N JURY   154 0501 
1994-2195 Rosmarinus eriocalyx Jord.& Fourr. N JUMU 243 F TH 32 BAY 59 :  TRO_N SEED   :  TRO_N 1 R10
2005-2537 Rosmarinus eriocalyx var. eriocalyx N JUMU 243  ARB_N 28 
1991-1002 Rosmarinus eriocalyx var. eriocalyx N JUMU 243  154 0510   :  ALP_N HH FRAME8
1973-81 Rosmarinus officinalis 'Fastigiatus'  STNA   751 HPG-A   :  WAK_N SP 
1994-3039 Rosmarinus officinalis 'Fastigiatus'     111 21   :  DEC_N QUEENS 
2000-3663 Rosmarinus officinalis 'Gorzia'  DODN   135 02 
2002-1873 Rosmarinus officinalis 'Majorca Pink'  PERH   751 HPG-F   :  WAK_N SP 
1978-1372 Rosmarinus officinalis 'Majorca'  STBG   113 03 
1998-1906 Rosmarinus officinalis 'McConnells Blue'  CATT   740 01   :  751 HPG-D   :  751 HPG-E   :  757    :  WAK_N SP 
2003-3579 Rosmarinus officinalis 'Prostratus'  COBL   126 01 
2003-3766 Rosmarinus officinalis 'Prostratus'  COBL   126 02 
2007-2059 Rosmarinus officinalis 'Roseus'  HIGD   111 21   :  157    :  DEC_N QUEENS 
2005-2339 Rosmarinus officinalis 'Sissinghurst Blue'  NTTT   412 08   :  ARB_N 29B 
2002-2780 Rosmarinus officinalis 'Sissinghurst Blue'  NTTT   ARB_N SB06 
2008-1503 Rosmarinus officinalis 'Sissinghurst Blue'  NTTT   412 05 
1983-3394 Rosmarinus officinalis 'Sissinghurst Blue'  NTTT   751 HPG-A   :  751 HPG-B   :  751 HPG-C   :  WAK_N SP 
2002-1869 Rosmarinus officinalis 'Sissinghurst Blue'  PERH   750    :  WAK_N SP 
2008-1534 Rosmarinus officinalis L. N AHAL 82  156 32 
2005-1732 Rosmarinus officinalis L. N HMSX 1566  ARB_N PT01   :  ARB_N PT01 
2007-2501 Rosmarinus officinalis L. N AHAL 237  ARB_N  
2007-1257 Rosmarinus officinalis L.  HIGD   111 03   :  DEC_N QUEENS 
2005-1843 Rosmarinus officinalis L. N HMSX 1566  412 03 
2006-1616 Rosmarinus officinalis L. N AHAL 82  ARB_N  
2007-2056 Rosmarinus officinalis L.  COSE   111 17 
2007-972 Rosmarinus officinalis L. N AHAL 138  ARB_N  
1986-4791 Rosmarinus officinalis L.  FIEL sn  154 0512   :  154 0609 
1975-5548 Rosmarinus officinalis L. N HMSX 1566 F 412 02 
1969-17725 Rosmarinus officinalis L. var. angustifolius Guss.    F 154 0519 
1997-4637 Rosmarinus officinalis L. var. prostratus Pasq.  STBG  F 135 02 
1978-1362 Rosmarinus officinalis L. var. prostratus Pasq.  STBG  F 113 03
 

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Image resource

Royal Botanic Gardens, Kew