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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Agavaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Shrub- or tree-like, generally branched from woody caudex, occasionally dying after fruiting. Leaf: rosette basal or at branch tips, 2--15 dm, linear, thick, +- rigid, stout-spine-tipped, bases +- expanded, margins generally curved up, entire or dentate, often fibrous-shredding. Inflorescence: panicle [raceme], erect (pendent), dense; peduncle generally < 2 cm wide; bracts generally ascending. Flower: generally pendent, 3--13 cm; perianth parts 6 in 2 whorls, generally +- fused, +- white, fleshy, waxy; stamens 6, filaments +- thick, fleshy; ovary superior, 3(6)-chambered, generally green, style short, often thick, poorly defined, stigmas 3-lobed, white to pale green. Fruit: berry-like or generally capsule, erect or pendent, tardily septicidal or generally indehiscent. Seed: +- many in 2 rows per chamber, often flat, black.
Species In Genus: +- 40 species: eastern coastal plain, southeastern, sc, & especially dry southwestern North America; northern, central-western Mexico, northern Central America. Etymology: (Haitian: yuca or manihot, because young inflorescences occasionally roasted for food) Note: Pollinated at night by small moths while laying eggs in ovary. Yucca whipplei moved to Hesperoyucca.
eFlora Treatment Author: William J. Hess
Jepson Online Interchange
Key to YuccaPrevious taxon: Leucocrinum montanum
Next taxon: Yucca baccata var. baccata
Citation for this treatment: William J. Hess 2016. Yucca, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=8947, accessed on May 25, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 25, 2016.