Tuesday, January 26, 2016

Abronia umbellata (Beach Sand Verbena, Pink Sand Verbena)

3/16/02 Salt Marsh Interpretive Trail, Bolsa Chica Ecological Reserve, 
Huntington Beach, Orange County, CA

 8/8/17 Interpretive Walk, Oceano Lagoon Native Plant Garden,
San Luis Obispo County, CA


COMMON NAME: Beach Sand Verbena, Pink Sand Verbena

SPECIES: Abronia umbellata

FAMILY: Nyctaginaceae (Four O'Clock Family)


LOCATION: Salt Marsh Interpretive Trail, Bolsa Chica Ecological Reserve, Huntington Beach, Orange County, CA


Treatment from the Jepson Manual (1993):

Annual, ± glabrous to glandular-hairy

Stem prostrate, > 1 m

Leaf: petiole 1–6 cm, slender; blade 15–70 mm, 8–50 mm wide, ovate to ± diamond-shaped

Inflorescence: peduncle 2.5–15 cm, slender, generally erect in fruit; bracts 5–7 mm, lanceolate to ovate; flowers 8–27

Flower: perianth tube 6–16 mm, ± green or red, limb 6–16 mm wide, light to bright magenta

Fruit 7–12 mm, glandular-hairy at top, glabrous below, angled or with 2–5 (generally 4) wings broadly rounded above the top of fruit body

Ecology: Disturbed sandy areas, coastal dunes and scrub

Elevation: < 100 m.  

Bioregional distribution: North Coast, Central Coast, South Coast 

Distribution outside California: to Washington, Baja California

Hybrids with  A. maritima : subsp. alba (Eastw.) Munz; subsp. platyphylla (Standley) Munz; subsp. variabilis (Standley) Munz. Hybridizes also with  A. latifolia.

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