Jovibarba heuffelii

(Schott) Á. Löve & D. Löve

Bot. Not. 114: 39. 1961,.

Basionym: Sempervivum heuffelii Schott Oesterr. Bot. Wochenbl. 2: 18. 1852
Treatment appears in FNA Volume 8. Treatment on page 170.

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.


Phenology: Flowering mid summer–fall.
Habitat: Rock outcrops, cliffs
Elevation: 0-1000 m

Distribution

V8 343-distribution-map.gif

Introduced; Wis., Europe.

Discussion

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.

Selected References

None.

Lower Taxa

None.