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

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.
... more about "Jovibarba heuffelii"
perigynous +  and hypogynous +
Richard A. Lis +
(Schott) Á. Löve & D. Löve +
Sempervivum heuffelii +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
lobed +  and toothed +
oblong +  and obovate +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1cm;1.5cm +
lanceolate +
not circumscissile +
whorled +, opposite +  and alternate +
not circumscissile +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Wis. +  and Europe +
0-1000 m +
not adnate +
Rock outcrops, cliffs +
bracteate +  and 12-40-flowered +
axillary +  and terminal +
7 cm70 mm <br />0.07 m <br /> (20 cm200 mm <br />0.2 m <br />) +
persistent +
connate +
fimbrillate +
semi-inferior +  and superior +
tenuinucellate +, crassinucellate +  and bitegmic +
perigynous +  and hypogynous +
distinct +
Flowering mid summer–fall. +
(3-)4-5(-12)[-30+]-carpellate +
15 cm150 mm <br />0.15 m <br /> (20 cm200 mm <br />0.2 m <br />) +
ellipsoid +
1 +  and many +
adnate +  and free +
antipetalous +
2 times as many as sepals +
not branched +
succulent +
distinct +
4-5 times shorter than ovary +
Jovibarba heuffelii +
Jovibarba +
species +
not conspicuous +
perennial +, biennial +  and annual +
not viviparous +  and monocarpic +