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broom, Spanish broom

Habit Shrubs or trees, unarmed.
Stems

evergreen, erect, rushlike, glabrous.

Leaves

alternate to subopposite, unifoliolate or obsolescent;

stipules present;

petiolate;

blade margins entire, surfaces appressed-hairy abaxially, glabrous adaxially.

Inflorescences

5–20-flowered, terminal, racemes;

bracts and bracteoles present.

Flowers

papilionaceous, showy, pedicellate;

calyx campanulate, lobes 5;

corolla yellow;

stamens 10, monadelphous;

anthers dimorphic, 9 basifixed, 1 dorsifixed;

style incurved, indument dense, silky proximally.

Fruits

legumes, sessile, flattened, linear-oblong, dehiscent, sericeous or glabrous.

Seeds

6–18, transversely oblong.

x

= 12.

Spartium

Distribution
from USDA
s Europe; sw Asia; nw Africa [Introduced in North America; introduced also in South America, Pacific Islands (Hawaii), Australia]
[BONAP county map]
Discussion

Species 1.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 11. Author: Debra K. Trock.
Parent taxa Fabaceae > subfam. Faboideae
Subordinate taxa
S. junceum
Name authority Linnaeus: Sp. Pl. 2: 708. (1753): Gen. Pl. ed. 5, 317. (1754)
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