Hypericum drummondii

(Greville & Hooker) Torrey & A. Gray

Fl. N. Amer. 1: 165. 1838

EndemicWeedy
Basionyms: Sarothra drummondii Greville & Hooker Bot. Misc. 3: 236, plate 107. 1833
Synonyms: Brathys drummondii (Greville & Hooker) Spach
Treatment appears in FNA Volume 6. Treatment on page 95. Mentioned on page 88, 96.

Herbs annual, erect, branches strict, in distal 1/2, 1–8 dm, wiry. Stems: internodes 4-lined. Leaves 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 to broadly triangular, 1–12-flowered, branching mostly monochasial. Flowers 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 narrowly ovoid to ovoid-cylindric, 3.5–7 × 2.5–3 mm, length 1–1.2 times sepals. Seeds 0.9–1.1 mm; testa finely scalariform. 2n = 24.


Phenology: Flowering summer–early fall (Jul–Sep).
Habitat: Dry, sandy or clay soil in open woods, old fields, waste or rocky places
Elevation: 0–1100 m

Distribution

V6 163-distribution-map.jpg

Ala., Ark., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Miss., Mo., N.C., Ohio, Okla., S.C., Tenn., Tex., Va.

Discussion

Hypericum drummondii is closely related to H. gentianoides.

Selected References

None.

Lower Taxa

None.

... more about "Hypericum drummondii"
Norman K. B. Robson +
(Greville & Hooker) Torrey & A. Gray +
Sarothra drummondii +
Ala. +, Ark. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Miss. +, Mo. +, N.C. +, Ohio +, Okla. +, S.C. +, Tenn. +, Tex. +  and Va. +
0–1100 m +
Dry, sandy or clay soil in open woods, old fields, waste or rocky places +
Flowering summer–early fall (Jul–Sep). +
Fl. N. Amer. +
Endemic +  and Weedy +
Brathys drummondii +
Hypericum drummondii +
Hypericum sect. Brathys +
species +