Scrophularia atrata

Pennell

Proc. Acad. Nat. Sci. Philadelphia 99: 172. 1947.

EndemicConservation concern
Treatment appears in FNA Volume 17. Treatment on page 341. Mentioned on page 340.

Herbs, perennial, 10–15 dm; herbage light green to dark green, glandular-pubescent. Leaves: petiole length 1/3–7/12 blade; blade deltate or ovate to lanceolate, 5–9 (–11) cm, length 1.1–2 times width, base cordate to truncate, margins serrate to dentate. Pedicels slender, glabrate or stipitate-glandular. Flowers: corolla black-red, unicolored, sometimes ± bicolored, paler abaxially, 9–11 mm, throat constricted; staminode obovate, length greater than width, apex acute. 2n = ca. 92–96.


Phenology: Flowering Apr–Jul.
Habitat: Calcareous, diatomaceous soils.
Elevation: 0–400 m.

Discussion

Scrophularia atrata is known from San Luis Obispo and Santa Barbara counties.

Selected References

None.

Lower Taxa

None.

"greater than width" is not a number.

... more about "Scrophularia atrata"
Kim R. Kersh +
Pennell +
cordate to truncate +
9 cm90 mm <br />0.09 m <br /> (11 cm110 mm <br />0.11 m <br />) +
ovate;lanceolate +
5 cm50 mm <br />0.05 m <br /> (9 cm90 mm <br />0.09 m <br />) +
not leathery +  and not fleshy +
campanulate +
woody +  and herbaceous +
decussate;opposite +
bilabiate +, regular +  and symmetric +
paler +, bicolored +, unicolored +  and black-red +
constricted +
0.9 cm9 mm <br />0.009 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0–400 m. +
curved +  and straight +
not +  and abundant +
glandular-puberulent +
Calcareous, diatomaceous soils. +
light green +  and dark green +
glandular-pubescent +
axillary +, subterminal +  and terminal +
alternate +  and opposite +
persistent +
cauline +  and basal +
triangular-ovate +  and lanceolate +
serrate +  and dentate +
incised +  and dentate +
tenuinucellate +, unitegmic +  and hemitropous +
stipitate-glandular +  and glabrate +
1/3 +  and 7/12 +
Flowering Apr–Jul. +
Proc. Acad. Nat. Sci. Philadelphia +
Black (?) +  and Brown (?) +
oblong-ovoid +
connate +  and distinct +
Endemic +  and Conservation concern +
2-lobed +  and capitate +
Scrophularia atrata +
Scrophularia +
species +
constricted +