Sempervivum tectorum

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	Crassulaceae > Sempervivum tectorum var. ,

Sempervivum tectorum {{{latin_name}}}	Hen and Chicks, Common Houseleek
	Habit: herbaceous Height: ⇕ ? Width: ⇔ Lifespan: ⌛ perennial Origin: ✈ ? Poisonous: ☠	Exposure: ☼ ? Water: ◍ ? Features: ✓ Hardiness: ☃ Bloom: ❀ USDA Zones: ? Sunset Zones:
	[[{{{domain}}}]] > [[{{{superregnum}}}]] > Plantae > [[{{{subregnum}}}]] > [[{{{superdivisio}}}]] > [[{{{superphylum}}}]] > Magnoliophyta > [[{{{phylum}}}]] > [[{{{subdivisio}}}]] > [[{{{subphylum}}}]] > [[{{{infraphylum}}}]] > [[{{{microphylum}}}]] > [[{{{nanophylum}}}]] > [[{{{superclassis}}}]] > Magnoliopsida > [[{{{subclassis}}}]] > [[{{{infraclassis}}}]] > [[{{{superordo}}}]] > Saxifragales > [[{{{subordo}}}]] > [[{{{infraordo}}}]] > [[{{{superfamilia}}}]] > Crassulaceae > [[{{{subfamilia}}}]] > [[{{{supertribus}}}]] > [[{{{tribus}}}]] > [[{{{subtribus}}}]] > Sempervivum {{{subgenus}}} {{{sectio}}} {{{series}}} tectorum {{{subspecies}}} var. {{{cultivar}}}

Sempervivum tectorum (Common Houseleek) is a perennial plant of the genus Sempervivum. It is used as an ornamental plant^wp.

Standard Cyclopedia of Horticulture

Sempervivum Tectorum 'Greenii' Sempervivum tectorum, Linn. (S. robustum, Jord. & Fourr. S. purpurascens, Schott). Houseleek. Old-man-and-woman. Fig. 3602. Developed barren rosettes 3-4 in. diam., abundantly stoloniferous, the new rosettes crowded and sessile: lvs. 50-60 to a rosette, obovate-cuneate, cuspidate, 1 1/2 – 2 or finally 3 x 5/8-3/4 in., pale green, with a distinct red-brown tip; cauline lvs. oblong-lanceolate, acute: fl.-st. including infl. about 1 ft. high, densely pilose: fls. 11-15- mostly 12-merous, 3/4-l in. across, pale red, in a scorpioid, 10-12-branched panicle 5-6 x 3-4 in.; calyx densely pilose, segms. lanceolate; petals linear, keeled, the keel deeper red. Eu. and Orient. C.L.A. 25, March, p. 54.—Variable. Var. cupreum, Hort., is said to have large rosettes which are glaucous and rose-colored; it flowers rarely. Var. expansum, Hort., is said to have broader lvs. and more open rosettes than the type. Var. pyrenaicum, Hort., is offered in the trade. Var. rubrum, Hort., has been grown in botanic gardens. Var. violaceum, Hort., has been grown in botanic gardens. The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

Cultivation

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Propagation

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Pests and diseases

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Gallery

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  Common Houseleek
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  photo 1
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  photo 2
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  photo 3

References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

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