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Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Lycium

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1 Leaves 1.5-35 mm long, 1-6 mm wide, oblanceolate, spatulate, or linear; fruits spherical (as thick as long), 4-11 mm in diameter.
..2 Corolla 4-8 mm long, funnelform, the lobes 0.15-0.35× as long as the tube, usually reflexed; [mostly dry, calcareous, gyp, or saline habitats; c. and s. TX and westwards and southwards]
..2 Corolla 7-12 mm long, the lobes 1-1.5× as long as the tube, spreading; [saline coastal habitats; s. SC south to s. FL, west to w. TX and beyond]
1 Leaves 20-100 mm long, (3-) 8-40 mm wide, elliptic, ovate, or oblong; fruits ovoid (distinctly longer than thick), 4-22 mm long.
....3 Corolla tube narrowed at base for 2.5-3 mm; corolla lobes 0.5-1× as long as the corolla tube; leaves gray-green, widest near the middle
....3 Corolla tube narrowed at base for ca. 1.5 mm; corolla lobes 1-1.5× as long as the corolla tube; leaves bright green, widest below the middle
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