Yucca angustissima var. kanabensis

(McKelvey) Reveal in A. Cronquist et al.

in A. Cronquist et al., Intermount. Fl. 6: 534. 1977.

Endemic
Basionym: Yucca kanabensis McKelvey Yuccas Southw. U.S. 2: 122, plates 48, 49. 1947
Treatment appears in FNA Volume 26. Treatment on page 435. Mentioned on page 433, 434.
Revision as of 05:12, 30 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Plants forming small to extremely large colonies, caulescent or short-procumbent. Stems short-procumbent, 0.1–0.4 m, 2–3.5 m with peduncle and inflorescence. Leaf-blade planoconvex or plano-keeled, 45–80 (–150) × 1.2–2 cm, stiff but somewhat flexible, smooth abaxially, slightly roughened adaxially. Inflorescences racemose, 10–20 dm; peduncle 1–1.5 m. Flowers 5.5–6.5 × 2.3–4 cm; tepals often tinged pink or brown, elliptic to orbiculate; filaments 2.5–2.8 cm; anthers 5–6 mm; pistil oblong-cylindric, 3–3.5 × 0.7–0.9 cm; style 5–8 mm. Capsules moderately constricted, 6.5–7.5 cm.


Phenology: Flowering spring–early summer.
Habitat: Sandy places of juniper - pinyon pine - oak woodlands, desert canyon hillsides
Elevation: 1400–1900 m

Discussion

Selected References

None.

Lower Taxa

None.

"thick" is not a number. "thin" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property. "dm" is not declared as a valid unit of measurement for this property.

longitudinal +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
glandular-pubescent +  and glandular +
long-acuminate +
William J. Hess +  and R. Laurie Robbins +
(McKelvey) Reveal in A. Cronquist et al. +
Yucca kanabensis +
elliptic +, ovate +, oblanceolate +, lanceolate +  and linear +
expanded +
fleshy +  and rigid +
scale-like +
constricted +
6.5 cm65 mm <br />0.065 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
small +  and extremely large +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Ariz. +  and Utah. +
1400–1900 m +
elongated +
pubescent +  and glabrous +
flattened +
2.5 cm25 mm <br />0.025 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
broadened +
5.5 cm55 mm <br />0.055 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
5.5 cm55 mm <br />0.055 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
3 cm30 mm <br />0.03 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
2.3 cm23 mm <br />0.023 m <br /> (4 cm40 mm <br />0.04 m <br />) +
septicidal +, 2cm +  and 3cm +
constricted +
fleshy +  and dry +
Sandy places of juniper - pinyon pine - oak woodlands, desert canyon hillsides +
pubescent +  and glabrous +
80 cm800 mm <br />0.8 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
pliable +  and stiff +
45 cm450 mm <br />0.45 m <br /> (80 cm800 mm <br />0.8 m <br />) +
plano-keeled +  and planoconvex +
long-lived +  and annual +
green +, gray +, brownish +  and white +
denticulate +  and entire +
0.4 cm4 mm <br />0.004 m <br /> (2 cm20 mm <br />0.02 m <br />) +
6-lobed +
not +  and articulate +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
100 cm1,000 mm <br />1 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
campanulate +  and globose +
semisucculent +
Flowering spring–early summer. +
3 cm30 mm <br />0.03 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
oblong-cylindric +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (?) +  and 0.9 cm9 mm <br />0.009 m <br /> (?) +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
in A. Cronquist et al., Intermount. Fl. +
0 cm0 mm <br />0 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
ovate +, obovate +, round +  and flattened +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
acicular +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
exserted +  and included +
short-procumbent +
aboveground +  and subterranean +
200 cm2,000 mm <br />2 m <br /> (350 cm3,500 mm <br />3.5 m <br />) +
white;pale green +
1 +  and 3 +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
white +  and pale green +
exserted +  and included +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Clistoyucca +  and Samuela +
Yucca angustissima var. kanabensis +
Yucca angustissima +
variety +
brown;tinged pink +
distinct +
3cm +  and 6.5cm +
elliptic +  and orbiculate +
1.3cm;2.5cm +
forming small to large colonies +  and solitary +
0 cm0 mm <br />0 m <br /> (300 cm3,000 mm <br />3 m <br />) +
plant +  and short-procumbent +
aboveground +  and subterranean +
polygamodioecious +, dioecious +, monoecious +, polycarpic +  and monocarpic +
small;gigantic +
petal-like +