Agave xylonacantha

Agave xylonacantha subsp. var.
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	Agavaceae > Agave xylonacantha var. ,

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Standard Cyclopedia of Horticulture

Agave xylonacantha, Salm-Dyck, also written xylacantha, xylinacantha and xylynacantha (A. amurensis, Jacobi. A. Kochii, Jacobi. A. Kochii amurensis, Ellem.). Lvs. oblong, concave, tortuously spreading, 2-5 x 12-24 in., rough, dull gray-green, dark-lined beneath, with flexu- ous channeled gray spine and very large often multiple prickles saddling large green prominences, joined by a moderately heavy margin: infl. rather slender; fls. 1 1/2 in.; ovary 3/4in., segm. 5/8in., tube 1/8in. E. Mex. B.M. 5660. G.C. II. 7, p. 527. Lyon Hort. 1879, p. 207 — Extensively hybridized, some of its offspring recognizable in their scabrid green-lined oblong lvs. with green prominences going into the bases of the large unequal teeth: with attenuata or attenuata subdentata, chiapensis, densiflora, filifera (X A. Villarum, Hort., X A. Villae, Pirotta, X A. hybrida, Vill.), micracantha, univittata (A. armata, Hort.? A. aspera, Tod.? Terraciano, Primo Contr. pl. 3, 5, X A. hybrida, Versch.), A. xylonacantha vittata and A. xylonacantha hybrida (X A. perbella, A. xylonacantha perbella, Hort.), G.C. II. 7, p. 527, Verschaffeltii and xalapensis (X A. Pfersdorffii, Sim.). At one time, several varieties were listed: cornuta or longifolia, the more typical form, latifolia macracantha, variously spelled, major, Maximiliana, torta and Vanderdonckii. A rare form with median variegation is var. medio-picta. CH 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 It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article.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.

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References

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

External links

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