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Perovskia scrophulariifolia Bge.

Photo S. Landrein

Subfamily

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

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

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

Description

Shrubs, strongly aromatic, often viscid with dendroid and simple hairs; leaves entire to laciniate or bipinnatisect; inflorescence terminal, often axillary, forming a paniculate thyrse of distant, 2- to 6-flowered verticillasters; bracts caducous; bracteoles inconspicuous; flowers sessile, sometimes dimorphic due to heterostyly; calyx indistinctly 5-lobed, 2-lipped (3/2), lips subequal, anterior with lobes short, deltoid, tube cylindrical, 10-nerved, often densely hairy; corolla 2-lipped, 5-lobed (4/1) violet-blue to white, posterior lip spreading to reflexed, anterior lip shorter, entire, acute, tube cylindrical, annulate within; stamens 2 with 2 staminodes, anterior stamens fertile, included in long-styled, or long-exserted in short-styled plants, declinate, thecae 2, elongate, parallel, connective small, staminodes borne on posterior lip of corolla; style included or exserted, declinate; stigma-lobes flattened; disc weakly 4-lobed, anterior lobe longest; nutlets elongate, rounded at apex, smooth, abscission scar small, elongate, not mucilaginous.  2n = 20.  About seven species, SW Asia: Iran, Afghanistan, Turkmenistan, Uzbekistan, Kazakhstan, Kyrgyzstan, Pakistan, Kashmir, N India to Tibet .  < /P >

Distribution

Native to:

32 Middle Asia
34 Western Asia
36 China
40 Indian Subcontinent

Synonyms

Perowskia Benth. in DC. (1848).

Publication

Perovskia Kar., Bull. Soc. Nat. Mosc. 15. t.1 (1841).

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Species found in RBG Kew living collections

2006-530 Perovskia 'Blue Spire'  DIVI   155 04   :  155 06 
2001-1205 Perovskia 'Blue Spire'  PERH   485  
1995-3651 Perovskia abrotanoides Kar. N EPAK 70  154 0801 
1983-4862 Perovskia abrotanoides Kar. N IRAN  F 751 HPG-E 
2007-2372 Perovskia atriplicifolia 'Blue Spire'     135 02   :  187  
1999-3816 Perovskia atriplicifolia 'Blue Spire'  LSCO   751 HPG-J 
2003-3756 Perovskia atriplicifolia 'Blue Spire'  MADN   126 01 
1972-2912 Perovskia atriplicifolia 'Blue Spire'     751 HPG-E 
1994-3737 Perovskia atriplicifolia 'Blue Spire'  SCON   153  
1986-8163 Perovskia atriplicifolia 'Blue Spire'  NOTC   148 07 
2007-2261 Perovskia atriplicifolia 'Blue Spire'     133 04 
1969-19321 Perovskia atriplicifolia Benth.    F 157 16 
1969-32296 Perovskia atriplicifolia Benth.    F 752 05 
1998-1893 Perovskia atriplicifolia Benth.  COBL   157 79 
2005-2142 Perovskia atriplicifolia Benth.  CHAT   111 16 
1973-15889 Perovskia hybrid      135 01   :  135 02 
1978-777 Perovskia scrophulariifolia Bunge N NYRK   751 HPG-H
 

Image resource

Royal Botanic Gardens, Kew