Agave ferdinandi-regis Berger
Agave nichelsii R. Gosselin
Agave victoriae-reginae Moore
Queen Victoria agave
Native to a small area in Mexico, these agaves are now endangered. It is named for Queen Victoria, though I cannot figure out why.
Plants: As agaves go, these are fairly small, 1½–2′ (50–70 cm) around. They consist of a tight ball of stiff leaves with white streaks. Viewed from above, it is an attractive spiral of precisely positioned, stiff leaves.
Leaves: Roughly triangular in cross-section, 6–8″ (15–20 cm) long and 1½–2½″ (3.8–6.3 cm) wide.
Flowers: The plant produces a spike 10–15′ (3–4.6 m) high, the upper half of which contains cream-colored flowers (most agave flowers are yellow), with a touch of red/purple. After about 40 years, the plant flowers once, then, like most agaves, dies.
Fruits: ?
Habitats: In northeastern Mexico’s Sierra Madre Oriental Mountains, in calcareous soil desert or semi-desert environments. It is found on the steep slopes and near vertical cliffs of canyon walls, where it forms large colonies.
Online References:
References:
Irish, Mary & Irish, Gary, Agaves, Yuccas and Related Plants: A Gardener’s Guide, Timber Press, 2000, p. 176
4/6/2011 · Howard Peters Rawlings Conservatory & Botanic Gardens, Druid Hill Park, Baltimore, Maryland · ≈ 16 × 12″ (40 × 29 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Liliopsida | Monocots (plants with a single seed leaf); includes the lily family |
| Subclass | Liliidae | Includes lilies, orchids, and many others |
| Order | Asparagales | A diverse group that includes asparagus |
| Family | Asparagaceae | Agaves, asparagus, hyacinths, and others |
| Genus | Agave | From Greek, meaning “noble” |
| Species | victoriae-reginae | Named for Queen Victoria (1819-1901), queen of the United Kingdom |
Agave victoriae-reginae description by Thomas H. Kent, not updated.
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