Yucca angustissima var. toftiae

(S. L. Welsh) Reveal

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

Basionym: Yucca toftiae S. L. Welsh Great Basin Naturalist 34: 308, fig. 3. 1975
Treatment appears in FNA Volume 26. Treatment on page 435. Mentioned on page 434.

Plants acaulescent or short-caulescent. Stems erect, to 1 m, 2.3–4.5 m with peduncle and inflorescence. Leaf blade linear, 20–75 × 0.4–1.7 cm, rigid. Inflorescences mostly racemose, sometimes paniculate proximally, 4–20 dm; peduncle 1.2–2.5 m. Flowers 3–5.2 cm; tepals creamy white, elliptic to lanceolate-ovate; filaments 0.7–2.4 cm; pistil 1.5–3.2 cm; style 3–10 mm. Capsules moderately constricted, 4.5–6 cm.

Phenology: Flowering spring–early summer.
Habitat: Sandy hillsides of desert mesas
Elevation: 2000 m


Selected References


Lower Taxa