Sempervivum arachnoideum
Origin: | ✈ | ? |
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Exposure: | ☼ | ?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property. |
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Water: | ◍ | ?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property. |
Read about Sempervivum arachnoideum in the Standard Cyclopedia of Horticulture
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Sempervivum arachnoideum, Linn. (S. Hausmannii, Auersd., not Lehm. & Schnittsp. S. piliferum, Jord.). Cobweb or Spider-web Houseleek. Fig. 3601. Barren rosettes 1/2 – 3/4 in. diam., the new ones crowded and sessile: lvs. about 50 to a rosette, oblong-cuneate, obscurely cuspidate, pale green, tips of nearly all the lvs. connected with long soft white hairs, outer lvs. tinted with red-brown on the back, about 3/8 in. long; cauline lvs. oblong-lanceolate, small, tips with a dense tuft of hairs: fl.-sts. 3-4 in. high including the dense few-fld. panicle: fls. 9-12-merous, about 1 in. across; calyx-segms. linear; petals lanceolate, bright red. S. Eu. B.M. 68. G.L. 26:201. Gn. 78, p. 437. Var. tomentosum, Cariot (S. tomentosum, Schnittsp. & Lehm. S. Webbianum, Hort.), has white tomentose rosettes, with more obovate-cuneate lvs. and the rosettes are flatter and more compact. Var. Hookeri, Hort., is offered in the trade. Var. minor, Hort., is offered in the trade. Var. rubrum, Hort., is offered in the trade. CH
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
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