Stylisma pickeringii

(Torrey ex M. A. Curtis) A. Gray

Manual ed. 2, 335. 1856.

Common names: Pickering’s dawnflower
Endemic
Basionym: Convolvulus pickeringii Torrey ex M. A. Curtis Boston J. Nat. Hist. 1: 129. 1835
Synonyms: Bonamia pickeringii (Torrey ex M. A. Curtis) A. Gray Breweria pickeringii (Torrey ex M. A. Curtis) A. Gray
Treatment appears in FNA Volume 14.
Revision as of 21:37, 6 October 2024 by imported>Volume Importer
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Stems procumbent or trailing, sparsely hairy. Leaf blades linear, 25–70 × 0.1–3 mm, sur­faces glabrous or sparsely hairy. Inflorescences 2–5-flowered or flowers solitary; bracteoles 15–25 mm. Flowers: sepals ovate to ovate-lanceolate, 4–6 × 3–5 mm, abaxial surface fulvous or canescent; corolla white, 10–18 mm; stamens: filaments glabrous or proximally puberulent; style branches usually connate (1/2–)5/6+ length, sometimes less.

Distribution

se United States.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Sepal apices usually obtuse, rarely acuminate; style branches 2–3 mm, equal to subequal. Stylisma pickeringii var. pickeringii
1 Sepal apices acute to subacute; style branches 1–1.5 mm, unequal. Stylisma pickeringii var. pattersonii