Hypericum lloydii |
Hypericum drummondii |
|
---|---|---|
sandhill St. Johnswort |
Drummond's St. Johnswort, nits and lice |
|
Habit | Shrubs, decumbent, straggling and rooting, forming low, rounded clumps or mats, 1–5 dm. | Herbs annual, erect, branches strict, in distal 1/2, 1–8 dm, wiry. |
Stems | internodes (4-) or 6-lined at first, then terete. |
internodes 4-lined. |
Leaves | blades linear-subulate, 13–25 × 0.5–0.8 mm, base articulated, parallel, margins revolute, apex rounded to retuse, midrib unbranched. |
erect to suberect, sessile; blade linear or linear-subulate to linear-lanceolate, 5–22 × 0.5–1 mm, subcoriaceous, margins recurved to revolute, apex acute to obtuse, basal vein 1, midrib unbranched. |
Inflorescences | narrowly pyramidal, 1–3-flowered, with 1–3(–5)-flowered dichasia from to 5 proximal nodes, without additional flowering branches; pedicels 0.5 mm. |
narrowly to broadly triangular, 1–12-flowered, branching mostly monochasial. |
Flowers | 12–14 mm diam.; sepals deciduous, not enclosing capsule, 5, linear-subulate, unequal, (3–)4.5–7 × 0.5–0.8 mm; petals 5, golden yellow, oblanceolate-oblong, 5–7.5 mm; stamens deciduous, 100; ovary 3-merous. |
5–8 mm diam.; sepals narrowly oblong to linear-lanceolate, subequal, 3–7 × 0.7–1.3 mm, apex acute; petals golden yellow to orange-yellow, oblong, 4–7 mm; stamens 10–22, separate or obscurely 3-fascicled; styles (0.5–)0.8–1.5 mm; stigmas broadly capitate. |
Capsules | ovoid, 3–4 × 2–2.5 mm. |
narrowly ovoid to ovoid-cylindric, 3.5–7 × 2.5–3 mm, length 1–1.2 times sepals. |
Seeds | carinate, 0.7 mm; testa not seen. |
0.9–1.1 mm; testa finely scalariform. |
2n | = 24. |
|
Hypericum lloydii |
Hypericum drummondii |
|
Phenology | Flowering summer (Aug). | Flowering summer–early fall (Jul–Sep). |
Habitat | Dry habitats (pine woods, granite outcrops, roadside embankments), inner coastal plain and foothills | Dry, sandy or clay soil in open woods, old fields, waste or rocky places |
Elevation | 100–300 m (300–1000 ft) | 0–1100 m (0–3600 ft) |
Distribution |
AL; GA; NC; SC
|
AL; AR; FL; GA; IA; IL; IN; KS; KY; LA; MO; MS; NC; OH; OK; SC; TN; TX; VA
|
Discussion | The habit, leaf shape, and drier habitats distinguish Hypericum lloydii from H. galioides. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Hypericum drummondii is closely related to H. gentianoides. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 6, p. 79. | FNA vol. 6, p. 95. |
Parent taxa | Hypericaceae > Hypericum > sect. Myriandra | Hypericaceae > Hypericum > sect. Brathys |
Sibling taxa | ||
Synonyms | H. galioides var. lloydii | Sarothra drummondii, Brathys drummondii |
Name authority | (Svenson) W. P. Adams: Contr. Gray Herb. 189: 32. (1962) | (Greville & Hooker) Torrey & A. Gray: Fl. N. Amer. 1: 165. (1838) |
Web links |