Difference between revisions of "Leavenworthia exigua"
Rhodora 58: 75, plate 1223, fig. 2. 1956.
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|tribe=Brassicaceae tribe Cardamineae | |tribe=Brassicaceae tribe Cardamineae | ||
|genus=Leavenworthia | |genus=Leavenworthia | ||
Revision as of 00:00, 28 May 2020
Stems (when present) 1–1.5 dm. Basal leaves: petiole 1.2–4 cm; blade 2.5–4.5(–6) cm, lobes 1–4 on each side, margins entire or shallowly dentate, terminal lobe orbicular to broadly ovate, 0.5–1 cm × 4–10 mm, considerably larger than lateral lobes, margins entire or shallowly dentate. Fruiting pedicels: solitary flowers 30–60 mm; racemes 10–25 mm. Flowers: sepals widely spreading, oblong-linear, 3–4.5(–5) × 0.9–1.5 mm; petals spreading, white, lavender, or yellow, spatulate, (5–)6–8(–9) × 1.7–3(–4) mm, claw yellow, 1.8–2.5 mm, apex shallowly emarginate, apical notch 0.1–0.4(–0.6) mm deep; filaments: median 2.2–4.2 mm, lateral 1–1.9 mm; anthers 0.5–0.9 mm. Fruits oblong, (1–)1.5–2.2 cm × (3.5–)4–5(–5.5) mm, smooth, latiseptate, (not margined); valves thin; ovules (4–)6–14 per ovary; style 0.7–1.7(–2.2) mm. Seeds 2.5–3.5 mm diam.; wing 0.2–0.5 mm wide; embryo straight. 2n = 22.
Phenology: Flowering Mar–May.
Habitat: Limestone glades, pastures, near limestone sinks, roadsides, old fields, thin soil over limestone beds
Elevation: 70-300 m
Distribution
Ala., Ga., Ky., Tenn.
Discussion
Selected References
None.