Synonyms:
Yucca louisianensis Trelease. in Mo. Bot. Gard. Ann.
Rpt. 13:64 (1902) (in part)
Yucca tenuistyla Trelease, in Mo. Bot. Gard. Ann. Rpt. 13:53
(1902) (in part)
Hybrids:
Yucca constricta x filamentosa,
made by Robert Pitman, Idaho, USA in 2000.
Yucca constricta x recurvifolia,
made by ?, Hungary 200?
Yucca (constricta x filamentosa) x 'Filata', made
by Tim Behan, USA in 2006.
Yucca (constricta x filamentosa) x (reverschonii
x thompsoniana fh1180.8). Made by Tim
Behan, USA in 2009.
Distribution:
Edward's Plateau, South Texas Plains.
Type location:
Without precise locality: "Western Texas".
Distribution:
From Eastern Edward's Plateau Texas, southwards to the Gulf of Mexico,
to South West to the Rio Grande, West of the Pecos River, Texas.
Short description of the species:
Plant acaulescent or with short procumbent stems 20 to 40 cm long (occasionally
100 cm!), growing in clumps of 1 to 20 rosettes. Leaves grass-like
20 to 50 cm (Occasionally up to 65 cm long!), 0,8 to 1,5 cm wide, nearly
flat or somewhat plano-convex, twisting, pale to dark green. Leaf margin
white or green eventually filiferous, with strait or curled fibers. Inflorescens
up to 250 cm, paniculate. Panicle 20 to 45 cm above the leaves,
45 to 120 cm tall, with a few (8 to 15) branchlets. Flowers campanulate
(bell shaped) 2,5 to 4,5 cm long. Pistil 2,5 to 3,8 cm long. Ovary
0,5 to 0,6 cm thick, slender cylindrical with oblate apices, pale
green. Style 0,8 to 1,1 cm long, whitish green to pale green. Fruit
3 to 6,3 cm long, 1,5 to 4,3 cm thick, Oblong-cylindrical, mostly constricted.
Seed
black, glossy, with broad marginal wing, 0,7 to 0,9 x 0,9 to 1,5
cm. Flowering in May in habitat.
Hardiness:
Yucca constricta is hardy here in Northern Denmark if it's grown
in a raised bed, and is protected against winter moisture from October
to May. But it grow much better if planted inside an unheated greenhouse.
My own plants:
#334A Yucca constricta Texas Llano, DJF1306, sown 1992.
Grown in a raised well drained bed, which is protected against winter moisture
from October to May.
It has lots of fibers along the edge of the leaves. Received as Yucca
glauca var. constricta
#334B Yucca constricta Texas Llano, DJF1306, sown 1992.
Grown inside an unheated greenhouse,
It has lots of fibers along the edge of the leaves. Received as Yucca
glauca var. constricta
#334C Yucca constricta Texas Llano, DJF1306, sown 1992.
Grown in a large pot, that are outside during the summer and inside the
unheated greenhouse from October to May.
It has lots of fibers along the edge of the leaves. Received as Yucca
glauca var. constricta
#1130 Yucca constricta Texas Woods Hollow Mts., 1270 m., fh 1179.80
sown 2000.
Pictures:
Notes:
Some Authors think that Yucca constricta may be a hybrid of Yucca elata x ?
Reference:
BUCKLEY in Proc.. Phil. Acad. Sci., January, 1862, 8 (1863)
TRELEASE in Rep. Missouri Bot. Gard. 13: 53 (1902)
TRELEASE in Rep. Missouri Bot. Gard. 13: 64 (1902)
WEBBER, J. M. Agric. Monograph U.S.D.A. 17: 53-55 (1953) (Yucca
constricta)
The
Flora of Texas Consortium Vascular Plants Endemic to Texas (Yucca
tenuistyla)
! Photo gallery ! Yucca ! Hardy Cactus ! E-mail ! DANSK ! Home ! Caudex index ! Cucurbitaceae (Danish text!) ! Links ! Search ! NEWS ! Wanted !
Copyright © 1998-2010
Benny Møller Jensen
Hjørring
Danmark