familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Eucycla
speciesEriogonum giganteum
Eriogonum giganteum var. compactum
Bull. S. Calif. Acad. Sci. 41: 130. 1943.
Common names: Santa Barbara Island’s St. Catherine’s-lace
Endemic
Synonyms: Eriogonum giganteum subsp. compactum (Dunkle) Munz
Revision as of 22:12, 5 November 2020 by imported>Volume Importer
Plants 4–6(–10) dm. Aerial flowering stems (1.5–)2–3 dm, tomentose. Leaves: petiole 0.5–1 cm; blade oblong-ovate, 2.5–3.5(–6) × 1.5–2(–4) cm, densely white-tomentose on both surfaces or sometimes slightly less so adaxially. Inflorescences compact to rarely open, 2–15 cm wide. Involucres (3–)3.5–4(–5) mm. Flowers 2–2.5 mm. Achenes 2–2.5 mm.
Phenology: Flowering May–Oct.
Habitat: Rocky outcrops and cliffs, coastal scrub communities
Elevation: 0-100 m
Discussion
Of conservation concern.
Variety compactum is a rare and localized plant on Santa Barbara and Sutil islands, Santa Barbara County. It is in cultivation, but only in botanical gardens.
Selected References
None.
Lower Taxa
None.