Rock Garden Plants
Dracocephalum fragile Turcz. ex Benth.  
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FamilyLAMIACEAE
Genus speciesDracocephalum fragile Turcz. ex Benth. 
Habitatrocky slopes
Altitudesubalpine-alpine
Descriptionleaves petiolate, oblong to ovate, 1-6cm, obtuse, entire, flowers in whorls of 4-8, producing ovoid spike 4-9cm long, corolla 25-30mm long, inside deep blue
Size5-20cm
Colorwhitish yellow
Bloomsummer
Ca+
Typetuft
Cultivationrock crevices with favourable water regime, eastern slopes
alpine house, poor, drained soil, shading in summer
Propagationseed in spring, barely covered, germ. 1-3 months, 10-16°C
division in early spring; basal cuttings in late spring
Territory Asia-Temperate
     Siberia (Buryatiya , Irkutsk , Tuva )
     Mongolia
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

LAMIACEAE

Dracocephalum fragile Turcz. ex Benth., Labiat. Gen. Spec. 495 (1834)

Synonyms:
Ruyschiana fragilis (Turcz. ex Benth.) House

subalpine-alpine
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fragile typicum ined.

s. Siberia, n. Mongolia
30 BRY IRK TVA 37 MON

fragile crenatum Vodop., Vysokogornaya Fl. Stanovogo Nagor‘ya [L.I.Mayschev, ed.] 131 (1972)

Irkutsk
30 IRK

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