U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
 
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San Diego Thornmint
(Acanthomintha ilicifolia )
Lamiaceae

San Diego Thorn-mint; Photo Copyright Roxanne Bittman and CNPS
Photo Copyright Roxanne Bittman and CNPS

Description: Annual herb with stems 2 - 6 inches (5-15cm) long. Leaves oval - round with serrate edges, 1/4 - 5/8 inches (5-15mm) long. Inflorescence is head-like with egg-shaped, spiny-edged bracts, 1/4 - 3/8 inch (7-9mm) long. The flower's calyx is about 1/4 inch (5mm) long, and the petals are white with occational rose-tinged lobes, and 1/2 inch (12mm) long. The anthers and styles are without hairs. The fruit is smooth and egg-shaped. 

Distribution:

Habitat: Clay depressions on mesas and slopes, coastal sage scrub, chaparral, vernal pools. Elevation 32 - 2992 feet.

Flowering Period: Blooms April - June.

Similar Plants:

Status: Federal Threatened, California State Endangered, California Native Plant Society List 1B

Field Office: Palm Springs


 
Last updated: 08-05-2010