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FNA | Family List | FNA Vol. 8 | Crassulaceae | Jovibarba

1. Jovibarba heuffelii (Schott) Á. Löve & D. Löve, Bot. Not. 114: 39. 1961.

Sempervivum heuffelii Schott, Oesterr. Bot. Wochenbl. 2: 18. 1852

Leaves: rosettes usually closed, globose, 0.5-5 cm diam., producing offsets attached directly to primary roots; blade 1-1.5 cm wide, apex mucronate, surfaces usually glabrous, margins sometimes ciliate with reflexed hairs, often glaucous. Inflorescences erect, usually densely ca. 12-40-flowered, bracteate, 7-20 cm; dichasium compact, 3-5 cm diam.; rachis 5-15(-20) cm, glabrous; bracts 1 per flower, clasping at base, lanceolate, 1-3 cm, base broad. Flowers: petal margins fimbrillate, abaxially pubescent. 2n = 38.

Flowering mid summer-fall. Rock outcrops, cliffs; 0-1000 m; introduced; Wis.; Europe.

Jovibarba heuffelii is likely to have naturalized elsewhere in the flora area. Plants may have been misidentified as Sempervivum tectorum. It is intolerant of treading and therefore is likely to be found only in areas that provide a measure of physical protection.


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