Acacia dealbata |
Acacia verticillata |
|
---|---|---|
blue wattle, silver wattle |
prickly moses, star acacia |
|
Habit | Shrubs or trees, erect, to 30 m. Twigs dark purplish brown to black, slightly flexuous, ridged, pruinose, densely puberulent. | Shrubs or small trees, erect, to 5 m. Twigs dark reddish brown, not flexuous, prominently ridged, glabrous or pubescent. |
Leaves | compound, 80–170 mm; petiole 8–22 mm, densely puberulent, gland present, below proximalmost pinna pair, 0.5–1 mm diam., puberulent; rachis gland between most pinna pairs; pinnae 6–30 pairs, 15–55 mm, 2–7 mm between pinna pairs; leaflets 15–70 pairs per pinna, blades linear, 2–5 × 0.4–0.8 mm, base cuneate, apex obtuse to acute, not apiculate, surfaces densely puberulent. |
phyllodic; fascicled or whorled; phyllode quadrangular, straight, linear, acicular, 5–20 × 0.5–1.5 mm, venation parallel, midvein prominent, minor veins not obvious, apex acuminate, sharp-pointed, surfaces mostly glabrous; gland 1 (usually not obvious, disc-shaped), 3–6 mm distal to leaf base; pulvinus absent. |
Inflorescences | globose heads, densely flowered, 6–9 mm diam., in axillary pseudoracemes of 11–30 heads or terminal pseudopanicles of 1–15 pseudoracemes. |
cylindrical spikes, densely flowered, 10–45 × 4–7 mm, solitary in leaf axils. |
Peduncles | 2–6 mm. |
2–12 mm. |
Flowers | 5-merous, pale yellow to cream; calyx 0.6–1.1 mm; corolla 1.4–2 mm; filaments 3.5–4.5 mm; ovary glabrous. |
5-merous, pale yellow; calyx 0.5–0.8 mm; corolla 1.1–1.6 mm; filaments 2.2–3.2 mm; ovary glabrous. |
Legumes | flattened, oblong, 20–110 × 6–14 mm, constricted between some seeds. |
flattened, linear, 20–90 × 2.7–5 mm, not constricted between seeds. |
Seeds | aril light yellow, obovate, 2–3 mm, forming cap on seed. |
aril light yellow, folded and thickened, forming cap on seed. |
2n | = 26. |
= 26. |
Acacia dealbata |
Acacia verticillata |
|
Phenology | Flowering winter, early spring. | Flowering fall, winter. |
Habitat | Disturbed areas. | Disturbed areas. |
Elevation | 0–300 m. (0–1000 ft.) | 0–100 m. (0–300 ft.) |
Distribution |
CA; se Australia [Introduced in North America; introduced also in s South America]
|
CA; se Australia (including Tasmania) [Introduced in North America]
|
Discussion | Acacia dealbata is known from Butte, Los Angeles, Marin, Monterey, Napa, Riverside, Sacramento, Santa Clara, Santa Cruz, San Bernardino, and San Diego counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Acacia verticillata is known from Marin, Monterey, San Francisco, Santa Barbara, and Santa Clara counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | Fabaceae > subfam. Caesalpinioideae (Mimosoid clade) > Acacia | Fabaceae > subfam. Caesalpinioideae (Mimosoid clade) > Acacia |
Sibling taxa | ||
Synonyms | Mimosa verticillata | |
Name authority | Link: Enum. Hort. Berol. Alt. 2: 445. (1822) | (L’Héritier) Willdenow: Sp. Pl. 4: 1049. (1806) |
Web links |