Cassiope lycopodioides

(Pallas) D. Don

Edinburgh New Philos. J. 17: 158. 1834,.

Endemic
Basionyms: Andromeda lycopodioides Pallas Fl. Ross. 1(2): 55, plate 73, fig. 1. 1789
Synonyms: Cassiope lycopodioides subsp. cristapilosa Calder & Roy L. Taylor
Treatment appears in FNA Volume 8. Treatment on page 448. Mentioned on page 446.

Stems prostrate to weakly ascending, forming loose mats, hairy. Leaves not or somewhat imbricate, closely appressed to stem, not strongly 4-ranked; blade linear-lanceolate, abaxial groove absent, 2–3 × 0.5–1.2 mm, margins conspicuously scarious, curled hairs present at leaf tips (at least on young leaves), abaxial base and adaxial surface hairy. Flowers: sepals 1.5–2 mm, margins hyaline; petals connate for ca. 1/2 their lengths, tips recurved, corolla white, campanulate, 6–8 mm; stamens to 3 mm. Capsules ca. 3 mm.


Phenology: Flowering Jun–Aug.
Habitat: Alpine rocky slopes and crevices
Elevation: 100-2000 m

Discussion

Subspecies cristapilosa was based on a collection from the Queen Charlotte Islands, British Columbia. The only distinction that the authors drew between it and subsp. lycopodioides was that subsp. cristapilosa has one to three crisped apical hairs on the leaves. Their claim that subsp. lycopodioides has entirely glabrous leaves is not supported. All specimens of Cassiope lycopodioides that I have seen have curled hairs on the leaf apices of at least the young leaves. The hairs appear to be fugacious. However, subsp. cristapilosa does differ from subsp. lycopodioides in several features. It lacks the hyaline leaf margin as well as the adaxial surface and abaxial leaf base pubescence. In addition, the stems are thicker, and the pedicels and corollas are longer. This insular material warrants further investigation.

Selected References

None.

Lower Taxa

None.

... more about "Cassiope lycopodioides"
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Gary D. Wallace +
(Pallas) D. Don +
furrowed +  and smooth +
not flaky +
Andromeda lycopodioides +
linear-lanceolate +
expanded +
coriaceous +
subglobose +  and ovoid +
3 cm30 mm <br />0.03 m <br /> (?) +
rotate to crateriform campanulate cylindric globose or urceolate +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
B.C. +, Alaska +  and Wash. +
100-2000 m +
undifferentiated +
fusiform +
not enlarged +
unisexual +  and bisexual +
loculicidal +
Alpine rocky slopes and crevices +
multicellular +
4-ranked +  and imbricate +
persistent +
revolute;plane;toothed;entire;revolute;plane;toothed;entire +
parietal +, axile +  and placentation +
subglobose +  and ovoid +
tenuinucellate +  and unitegmic +
elongating +
reduced +
not sticky +
Flowering Jun–Aug. +
4-5-carpellate +
Edinburgh New Philos. J. +
distinct +
ellipsoid +  and ovoid +
distinct +
oblong-ovate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
mat-forming +
prostrate +  and decumbent +
prostrate +  and weakly ascending +
peltate +  and capitate +
straight +
cylindric +
hairy +, glandular +  and glabrous +
Cassiope lycopodioides subsp. cristapilosa +
Cassiope lycopodioides +
Cassiope +
species +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
heterotrophic +, autotrophic +  and mycotrophic +