Adolphia

Meisner

Pl. Vasc. Gen. 1: 70; 2: 50. 1837.

Common names: Prickbush spinebrush
Etymology: For Adolphe Brongniart, 1801–1876, French botanist and student of Rhamnaceae
Treatment appears in FNA Volume 12. Treatment on page 108. Mentioned on page 45.
 TaxonIllustrator 
FNA12 P13 Adolphia infesta.jpegGouania lupuloides
Adolphia infesta
Parnassia palustris
Parnassia fimbriata
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey

Shrubs, armed with thorns, secondary branches and branchlets green; bud-scales absent. Leaves early deciduous, usually absent by flowering, opposite or subopposite; blade not gland-dotted; pinnately veined (obscurely, appearing 1-veined or vaguely 3-veined from base). Inflorescences axillary, cymes or flowers solitary; peduncles and pedicels not fleshy in fruit. Pedicels present. Flowers bisexual; hypanthium broadly obconic to hemispheric-campanulate, 1.5–3 mm wide; sepals (4–) 5, spreading, whitish to greenish white, ovate-triangular or triangular-deltate, keeled adaxially; petals (4–) 5, white, sometimes yellow-tipped, hooded, spatulate, clawed; nectary fleshy, 5-angled, lining hypanthium; stamens (4–) 5; ovary superior, 3-locular; style 1. Fruits capsules.

Distribution

sw United States, Mexico

Discussion

Species 2 (2 in the flora).

Key

1 Secondary branches and branchlets glabrous or glabrate, branchlets 1–1.5 mm diam.; leaf blades elliptic-oblong to obovate, 1- or vaguely 3-veined from base; hypanthia broadly obconic, 2.5–3 mm wide, sides nearly straight; sepals triangular-deltate, length equaling width, margins straight; petals 2–2.5 mm, deeply hooded. Adolphia californica
1 Secondary branches and branchlets minutely and persistently short-hispid, slowly glabrescent, branchlets usually 0.5–1 mm diam.; leaf blades narrowly oblanceolate to linear, 1-veined from base; hypanthia hemispheric-campanulate, 1.5 mm wide, sides convex; sepals ovate-triangular, length nearly 2 times width, margins curved; petals 1.2–1.5 mm, shallowly hooded. Adolphia infesta
... more about "Adolphia"
perigynous +  and epigynous +
Guy L. Nesom +
Meisner +
not gland-dotted +
3[-5]-veined +  and pinnate +
spinulose +, spinose +, serrate +  and entire +
denticulate +, dentate +, crenulate +, crenate +  and serrulate +
Prickbush +  and spinebrush +
sw United States +  and Mexico +
For Adolphe Brongniart, 1801–1876, French botanist and student of Rhamnaceae +
free +  and adnate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
terminal +  and axillary +
unisexual +  and bisexual +
subopposite +  and opposite +
deciduous +
intrastaminal +
not fleshy +
perigynous +  and epigynous +
hooded +  and yellow-tipped +
adnate +  and distinct +
2-4-carpellate +
Pl. Vasc. Gen. +
mantese1993a +  and tortosa1993a +
whitish +  and greenish white +
distinct +
keeled;triangular-deltate;ovate-triangular +
Adolphia +
Rhamnaceae +
deciduous +  and evergreen +
polygamous +, dioecious +  and synoecious +