Acacia dealbata |
Acacia longifolia |
|
---|---|---|
blue wattle, silver wattle |
golden wattle, sidney golden wattle, sydney golden wattle |
|
Habit | Shrubs or trees, erect, to 30 m. Twigs dark purplish brown to black, slightly flexuous, ridged, pruinose, densely puberulent. | Shrubs or trees, erect, to 10 m. Twigs dark reddish brown, not flexuous, ridged, glabrous. |
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; phyllode flat, not falcate, narrowly elliptic, 50–150 × 10–25 mm, venation parallel, with 2–4 prominent veins, minor veins prominent, apex acute to obtuse, apiculate, surfaces glabrous; gland 1, 0–7 mm distal to pulvinus; pulvinus 2–5 mm. |
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, 20–50 × 5–8 mm, solitary or in fascicles of 2 or 3 in leaf axils. |
Peduncles | 2–6 mm. |
0–2 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. |
4-merous, bright yellow; calyx 0.6–0.9 mm; corolla 1.5–2.1 mm; filaments 2.6–3.6 mm; ovary pubescent. |
Legumes | flattened, oblong, 20–110 × 6–14 mm, constricted between some seeds. |
elliptic in cross section, linear, 50–150 × 5–9 mm, somewhat constricted between seeds. |
Seeds | aril light yellow, obovate, 2–3 mm, forming cap on seed. |
aril light yellow, folded several times into thickened, lateral, skirtlike aril covering seed apex. |
2n | = 26. |
|
Acacia dealbata |
Acacia longifolia |
|
Phenology | Flowering winter, early spring. | Flowering winter, spring. |
Habitat | Disturbed areas. | Sandy coastal areas. |
Elevation | 0–300 m. (0–1000 ft.) | 0–40 m. (0–100 ft.) |
Distribution |
CA; se Australia [Introduced in North America; introduced also in s South America]
|
CA; Pacific Islands (Kei Islands, New Guinea); se Australia [Introduced in North America; introduced also in s South America]
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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 longifolia is known from Alameda, Contra Costa, Los Angeles, Marin, Monterey, Orange, Riverside, San Bernardino, San Diego, San Francisco, San Luis Obispo, Santa Barbara, Santa Cruz, Solano, and Ventura 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 longifolia | |
Name authority | Link: Enum. Hort. Berol. Alt. 2: 445. (1822) | (Andrews) Willdenow: Sp. Pl. 4: 1052. (1806) |
Web links |