Difference between revisions of "Haplodontium tehamense"

Revision as of 19:44, 24 September 2019

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Copyright: Flora of North America Association

Plants shiny light green, yellow-green, or white-green, light brown below. Stems 0.5–1 cm, somewhat julaceous, strongly branched. Leaves imbricate when dry, erect to erect-spreading when moist, elliptic to oblong, 0.5–1 mm; margins plane; apex rounded-obtuse to broadly acute, apiculus absent; costa subpercurrent, yellowish; laminal cells 40–80(–100) × 10–20 µm; distal cells at apex irregularly short-rectangular to subquadrate. Seta red-brown, 0.3–0.7 cm, flexuose. Capsule horizontal to nutant, short and broadly pyriform, 1.2–2.5 mm; operculum convex, umbonate; peristome absent. Spores 10–14 µm, ± smooth.

Phenology: Capsules mature Aug (summer).
Habitat: Crevices of volcanic rock in montane areas
Elevation: high elevations (2200-2600 m)

Calif.

Discussion

Haplodontium tehamense is a distinctive species, with eperistomate capsules and somewhat julaceous stems. The species is known only from a few locations in Lassen Volcanic National Park.

of conservation concern

Selected References

None.

Lower Taxa