Gaylussacia ursina

(M. A. Curtis) Torrey & A. Gray

Mem. Amer. Acad. Arts, n. s. 3: 49. 1846,.

Common names: Bear or mountain huckleberry
IllustratedEndemic
Basionyms: Vaccinium ursinum M. A. Curtis Amer. J. Sci. Arts 44: 82. 1843
Synonyms: Decachaena ursina (M. A. Curtis) Small
Treatment appears in FNA Volume 8. Treatment on page 535. Mentioned on page 530, 531.

Plants 3–10 (–15) dm, forming small to extensive colonies; branches spreading; twigs of current season pale green to light-brown, sparsely hairy. Leaves: petiole 1–2 mm; blade greenish white abaxially, green to yellowish green or reddish green adaxially, ovate to oblong, 2.5–6 × 2.3–4 cm, membranous, base rounded to cuneate, margins entire, apex acute to acuminate, abaxial surface sessile-glandular, hairy along veins, adaxial surface glabrous. Inflorescences spreading or drooping, 4–6-flowered, bracteate, 0.7–2.5 cm, glabrous; bracts early-deciduous, leaflike, 1–2 mm, shorter than pedicels, glabrous, sessile-glandular. Pedicels 6–9 mm, sparsely hairy (hairs red), sessile-glandular; bracteoles 1–2, 1–1.5 mm. Flowers: sepals 5, 0.5 mm, glabrous, sparsely sessile-glandular; petals 4–5, corolla greenish white, urceolate, 4–5 mm, lobes ovate-deltate, ca. 1 mm; filaments 3–3.5 mm, glabrous; anthers included, 1 mm, thecae not divergent; ovary glabrous. Drupes juicy, sweet, glossy black, 7–10 mm diam., glabrous. Seeds 1 mm, smooth.


Phenology: Flowering late spring.
Habitat: Deciduous or open pine woods (often dominant in Table Mountain Pine-Pitch Pine Woodland), common in moister forests downslope, often associated with Rhododendron maximum
Elevation: 500-1500 m

Discussion

Gaylussacia ursina is a southern Appalachian Mountains endemic that often forms large, clonal patches; it is abundant within much of its narrow range.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

... more about "Gaylussacia ursina"
epigynous +  and hypogynous +
1 cm10 mm <br />0.01 m <br /> (?) +
Acute (?) +  and Acuminate (?) +
Bruce A. Sorrie +, Alan S. Weakley +  and Gordon C. Tucker +
(M. A. Curtis) Torrey & A. Gray +
furrowed +  and smooth +
not flaky +
rounded;cuneate +
Vaccinium ursinum +
green +  and yellowish green or reddish green +
2.5 cm25 mm <br />0.025 m <br /> (6 cm60 mm <br />0.06 m <br />) +
ovate;oblong +
membranous +
2.3cm;4cm +
early-deciduous +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
small +  and extensive +
Bear or mountain huckleberry +
greenish white +
rotate to crateriform campanulate cylindric globose or urceolate +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Ga. +, N.C. +, S.C. +  and Tenn. +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
500-1500 m +
undifferentiated +
fusiform +
flattened +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
unisexual +  and bisexual +
indehiscent +  and loculicidal +
ovoid;globose +
Deciduous or open pine woods (often dominant in Table Mountain Pine-Pitch Pine Woodland), common in moister forests downslope, often associated with Rhododendron maximum +
bracteate +  and 4-6-flowered +
drooping +  and spreading +
0.7 cm7 mm <br />0.007 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
pseudoverticillate +  and alternate +
deciduous +
ovate-deltate +
reticulodromous +
hairy +  and glabrous +
revolute;plane;crenate;entire;revolute;plane;crenate;entire +
parietal +, axile +  and placentation +
tenuinucellate +  and unitegmic +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
epigynous +  and hypogynous +
4 +  and 5 +
reduced +
not sticky +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering late spring. +
5-10-carpellate +
Mem. Amer. Acad. Arts, n. s. +
pale green +  and light-brown +
distinct +
ellipsoid +
deltate +
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Illustrated +  and Endemic +
procumbent +  and creeping +
peltate +  and capitate +
straight +
Decachaena ursina +
Gaylussacia ursina +
Gaylussacia +
species +
papillose +
not divergent +
hairy +  and glabrous +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
heterotrophic +, autotrophic +  and mycotrophic +
multicellular-hairy +