Hypericum erythreae

(Spach) Steudel

Nomencl. Bot. ed. 2, 1: 787. 1840.

Basionym: Brathys erythreae Spach Hist. Nat. V é g. 5: 452. 1836 (as erythraeae)
Treatment appears in FNA Volume 6. Treatment on page 90. Mentioned on page 89.

Herbs perennial, erect to ascending, branching at ± aerenchymatous base and in inflorescence, 3–12 dm. Stems: internodes 4-lined. Leaves ascending to appressed, sessile; blade usually lanceolate, rarely elliptic to ovate, 5–20 (–24) × 5–15 mm, shorter than internodes, smaller distally, leathery, margins plane, apex acute, gland-dotted, less conspicuously adaxially, basal veins 1–5, midrib with 2–3 pairs of branches. Inflorescences corymbiform, to 30-flowered, branching mostly dichasial. Flowers: 5–13 mm diam.; sepals lanceolate, unequal, 3.5–4.2 (–4.8) mm, margins sometimes ciliate, not setulose-ciliate, apex acute to subacuminate; petals orange-yellow, ± obovate, 5–10 mm; stamens 50–80, filaments basally connate; styles 2–4 mm; stigmas clavate. Capsules ovoid, 3–4.5 mm. Seeds 0.4–0.7 mm; testa reticulate.


Phenology: Flowering mid summer–fall (Jul–Oct).
Habitat: Bogs, ditches, coastal plain
Elevation: 0–300 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Hypericum erythreae"
reddish +  and black +
yellow;orange +
oblong;ellipsoid +
gland-dotted +
acute;subacuminate +
Norman K. B. Robson +
(Spach) Steudel +
striate +  and smooth +
punctiform +
aerenchymatous +
distinct +
Brathys erythreae +
2 cm20 mm <br />0.02 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
rarely elliptic +  and ovate +
smaller +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
Ga. +  and S.C. +
0–300 m +
0.5 cm5 mm <br />0.005 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Bogs, ditches, coastal plain +
dichasial +, branching +, corymbiform +  and 30-flowered +
axillary +  and terminal +
terete +  and angled +
persistent +  and deciduous +
ascending;appressed +
not setulose-ciliate +  and ciliate +
glandular-ciliate +
(2-)3(-4)-merous +
axile +  and parietal +
glanduliferous +
contorted +  and imbricate +
orange-yellow +
persistent +
distinct +
obovate +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering mid summer–fall (Jul–Oct). +
Nomencl. Bot. ed. +
interrupted +  and continuous +
not carinate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (?) +  and 0.07 cm0.7 mm <br />7.0e-4 m <br /> (?) +
0.42 cm4.2 mm <br />0.0042 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
persistent +
connate +  and distinct +
lanceolate +
unequal +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
connate +, distinct +  and fascicles +
persistent +
expanded +  and minute +
connate +  and distinct +
elongate +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.4 cm4 mm <br />0.004 m <br /> (?) +
Undefined sect. Brathys +, Hypericum sect. Brathys +, H. sect. Spachium +, H. subsect. Spachium +, H. sect. Trigynobrathys +  and Sarothra sect. Trigynobrathys +
Hypericum erythreae +
Hypericum sect. Brathys +
species +
scalariform +
reticulate +  and foveolate +
erect +  and ascending +
hairy +  and glabrous +
6 +, 9 +  and 7 +