Adenostoma fasciculatum Hooker & Arnott

Chamise
Rosaceae

[Plants of San Diego County HOME]

Protologue: Bot. Beechey Voy.: 139 (1832)
Pronunciation: A-de-nò-sto-ma fas-ci-cu-là-tum
Etymology: "gland mouth" + fasciculate, with leaves in short shoots

Jepson eFlora Treatment

SD County Synoptic Vouchers: A. f. var. fasciculatum, A. f. var. obtusifolium

Key to varieties (after the Jepson eFlora)

Plants low, mounded; branches decumbent ; CCo, ChI ..... var. prostratum Plants tall, not mounded; branches erect to ascending ; NCoR, CaRF, SN, CW, SW     Twigs glabrous (hairy); leaves generally linear to oblanceolate, 5–13 mm, tips generally acute-acuminate ..... var. fasciculatum     Twigs hairy; leaves oblanceolate to club-like, 2–6.5 mm, tips generally obtuse-mucronate ..... var. obtusifolium

Distribution:
 
Left: S.D. County Plant Atlas (http://sdplantatlas.org). Right: CCH2. Click to see current herbarium records.  
 
Adenostoma fasciculatum
Left: Whole shrub in flower.
Right: Close-up of linear to oblanceolate, semi-terete, mucronulate leaves, arranged in fascicles (fasciculate).



Adenostoma fasciculatum
Close-up of flowers. Note encircling gland at mouth of hypanthium, source of the genus name.