7. Tamarix ramosissima Ledebour, Fl. Altaica. 1: 424. 1829.
[F I W]
Tamarix odessana Stevenson ex Bunge
Shrubs or trees, to 8 m. Leaves: blade lanceolate, 1.5–3.5 mm. Inflorescences 1.5–7 cm × 3–4 mm; bract exceeding pedicel, not reaching calyx tip. Flowers 5-merous; sepals 0.5–1.5 mm, margins denticulate; petals obovate to elliptic, 1.5–2 mm; antisepalous stamens 5, filaments alternate with nectar disc lobes, all originating from edge of disc. 2n = 24.
Flowering early spring–late fall. Riverways, lakeshores, arroyos; 0–2500 m; introduced; Ariz., Ark., Calif., Colo., Idaho, Kans., La., Mont., Nebr., Nev., N.Mex., N.C., N.Dak., Okla., Oreg., S.Dak., Tex., Utah, Wash., Wyo.; Asia; introduced also in Mexico (Baja California, Baja California Sur, Chihuahua, Coahuila, Durango, Sinaloa, Sonora), South America (Argentina), Australia.
Morphologically very similar to Tamarix chinensis, T. ramosissima hybridizes with T. chinensis (commonly) and T. aphylla (rarely).