Agave havardiana
(Havard’s Agave)
Agave havardiana, Chisos Basin Road, Big Bend National Park 8084
Agave havardiana, Chisos Basin Road, Big Bend National Park 8080
Agave havardiana, Chisos Basin Road, Big Bend National Park 8060
Agave havardiana, Chisos Basin Road, Big Bend National Park 9841
Agave havardiana, Cattail Falls Road, Big Bend National Park 4230
| Scientific Name | Agave havardiana | USDA PLANTS Symbol | AGHA |
| Common Name | Century Plant, Havard Agave | ITIS Taxonomic Serial No. | 182674 |
| Family | Asparagaceae (Asparagus) | SEINet Reference |
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| Description | Habitat: Gravelly to rocky, often calcareous grasslands, desert scrub, mountain woodlands; 4000 to 6500 ft. Plant: Basal rosette of leaves 20 to 32 inches across and 40 to 60 inches tall with flowering stalk 5 to 23 feet tall. Leaves: Lanceolate to broadly lanceolate grayish-green,stout, fleshy, leaves up to 2 feet long with sharp teeth spaced out along margins and very sharp spine at tip; overall concave in cross-section. Inflorescence: Scape (stalk) 5 to 23 feet tall with open panicle of 12 to 15 large umbels, each with several clusters of 21 to 48 erect, tubular, greenish-yellow flowers; tepals often red-tinged; lance-shaped bracts several inches long along scape. Bloom Period: June to July. Plant blooms once when mature (20 to 40 years old) and then dies. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and SEINet. |
BONAP Distribution Map Map Color Key |
Texas Status: Native- Endemic to Big Bend region |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2024