Gratiola heterosepala |
Gratiola graniticola |
|
---|---|---|
Boggs Lake hedge-hyssop |
granite hedge-hyssop |
|
Habit | Annuals. | Annuals. |
Stems | ascending to erect, simple or few-branched, 2–12 cm, glabrous proximally, glabrous or glandular-puberulent distally. |
erect, simple, sometimes few-branched, (7–)9–21(–29) cm, glabrous or glabrate proximally, glandular-puberulent distally. |
Leaves | blade linear-lanceolate to oblanceolate, elliptic, or oblong, 4–8(–20) × 1.5–3.5 mm, margins entire, apex obtuse to rounded, surfaces glabrous. |
blade lanceolate-ovate to oblong, not falcate, 6–13(–18) × 1–3(–5) mm, margins entire or with 1 or 2(or 3) pairs of blunt teeth distally, apex obtuse, surfaces glabrate or glandular-puberulent. |
Pedicels | slender, 2–14(–28) mm, length 0.9–2.3 times bract, sparsely to densely glandular-puberulent; bracteoles 0. |
slender, (5–)8–17(–22) mm, length 0.9–2(–2.3) times bract, sparsely to densely glandular-puberulent; bracteoles 2, 2–4.5 mm. |
Flowers | sepals connate proximally, calyx distinctly bilaterally symmetric, lobes elliptic-oblanceolate, 3.5–6 mm; corolla 4–7.5(–9) mm, tube yellow or greenish yellow, veins purple, limb white abaxially, greenish yellow adaxially; style 1.5–2 mm. |
sepals distinct, lanceolate, 2–4.5 mm; corolla 7–9 mm, tube and limb white tinged with pink or purple, veins lavender or purple; style 1.9–2.2 mm. |
Capsules | subglobular to ovoid, 3.5–4.7 × 3–4.5 mm. |
subglobular to ovoid, 2.5–3.6 × 2–3.7 mm. |
Seeds | 0.5–0.7 mm. |
0.3–0.5 mm. |
Gratiola heterosepala |
Gratiola graniticola |
|
Phenology | Flowering Apr–Sep. | Flowering Apr–May. |
Habitat | Shallow water and exposed mud of vernal pools, wet meadows, lake margins. | Seasonal pools on granite outcrops. |
Elevation | 0–1900 m. (0–6200 ft.) | 100–300 m. (300–1000 ft.) |
Distribution |
CA; OR
|
GA; SC |
Discussion | Gratiola graniticola is known from about a dozen counties in the southeastern piedmont of northern Georgia and north-central South Carolina, where it occurs only on granite flatrocks (D. Estes and R. L. Small 2007; D. F. Brunton 2009). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 17, p. 267. | FNA vol. 17, p. 267. |
Parent taxa | ||
Sibling taxa | ||
Name authority | H. Mason & Bacigalupi: Madroño 12: 150, figs. 1–8. (1954) | D. Estes: J. Bot. Res. Inst. Texas 1: 166, figs. 3A,D, 9. (2007) |
Web links |