Yucca australis Trelease in Mo. Bot. Gard. Ann. Rpt. 4:190 1893 the plants from Texas, not Yucca australis (Engelmann), Trelease (1902).
Yucca australis Coulter., in U.S.Natl. Herbarium Contrib. 2:436 ( in part) 1894.
Yucca australis var. valida Jones. West Bot. Contrib. 15:59ff.1929
Yucca macrocarpa Sargent in Gard. and Forest 8:305 1895. (Not Yucca macrocarpa Engelmann 1881).
Samulea faxoniana Trelease, Mo. Bot. Gard. Ann. Rpt. 13:117, 1902.
Clones, and Hybrids:
Yucca faxoniana X Yucca glauca (or maybe Yucca baileyi ssp. intermedia)
In habitat it can be possible to find wild hybrids of of the following
Yucca baccata X Yucca faxoniana
Yucca faxoniana X Yucca torreyi
Yucca faxoniana X Yucca elata
See also: WEBBER, Agric. Monograph U.S.D.A. 17:20 (1953)
Subspecies, varieties and forma:
Sierra Blanca, Texas.
Dry rocky slopes in desert arias at an altitude of 1200 to 1600 m.
USA: Texas (Hudspeth Co, Jeff Davis Co, Presidio Co and in Culberson Co.
Mexico: eastern Chihuahua, north western Coahuila.
Short description of the species:
Plant arborescent, 200 to 650 cm tall (occasionally up to 700 cm tall) with a stem that are up to 50 cm thick, often branched at the base of the plant forming large groups, and is rarely branching above ground level, it has with beautiful symmetrical rosettes of leaves. Leaves 85 to 140 cm long, 5 to 7,5 cm wide, pale green to bluish green with many brown to gray fibers along the margin of the leaves, and a 1,5 to 2, 5 cm gray spine at the tip of the leaf. Inflorescence 100 to 120 cm tall, scape 75 to 100 cm 7,5 to 10 cm thick at the base, panicle starts 30 cm above the leaves and have about 20 to 30 branchlets, which are from 15 to 60 cm long. Flowers 5,5 to 9 cm long, anthers 0,4 to 0,5 cm in length, pistil 4,5 to 5 cm long, ovary approximately 5 times as long as broad and 0,7 to 1,2 cm thick., style 0,5 mm long 3 mm thick. Fruit fleshy, indehiscent, 3 to 9 cm long, 3 cm thick. Seeds dull black, thick, and wingless 0,5 to 0,8 cm x 0,7 to 1 cm..
Not known! Please report if you are growing this species.
This species is closely related to Yucca carnerosana.
|Yucca faxoniana ????
I think it looks more like Yucca baccata!
Growing in Agder Natur Museum's Botanical Garden's Greenhouse, Kristiansand, Norway.
Photo by Benny M. Jensen ©1999
Grown in Alexander Heim's garden in his Greece. 9 years old grown from seeds.
Copyright 2008 Alexander Heim.
Grown in Alexander Heim's garden in his Greece. Planted without roots.
Copyright 2007 Alexander Heim.
Grown in Alexander Heim's garden in his Greece. Planted without roots, one year later.
Copyright 2008 Alexander Heim.
My own plants:
COULTER, U.S. Natl. Herbarium Contrib. 2:436 ( in part) 1894
FERGUSON, D.J., in an email to Hardycacti_etc., Thu, 12 Oct 2000 09:02:04 -0700 (PDT) (Re: Yucca hybrid)
HOCHSTÄTTER, F., Yucca II (Agavaceae) :18-19, 2002.
SARGENT, in Gard. and Forest 8:305 1895.
THIEDE, J. (2001) Illustrated handbook of succulent plants vol. 1. (Monocotyledons (Eggli ed.)): 93. (Yucca faxoniana).
TRELEASE, Mo. Bot. Gard. Ann. Rpt. 4:190 1893.
TRELEASE, Mo. Bot. Gard. Ann. Rpt. 13:117, 1902.
WEBBER, Agric. Monograph U.S.D.A. 17:19-20, 1953.
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