Drummondia

Hooker in T. Drummond
in T. Drummond, Musc. Amer., 62. 1828.
Etymology: For Thomas Drummond, 1780 – 1835, Scottish botanist who collected extensively on two expeditions to North America
Treatment appears in FNA Volume 28. Treatment on page 40. Mentioned on page 12, 38, 41, 653.

Plants medium-sized, in loose mats. Stems creeping, branches erect. Leaves erect-appressed and stiff when dry, spreading to wide-spreading when moist, broadly lanceolate to oblong-lanceolate, not rugose; margins entire; apex obtuse, acute, or cuspidate; costa ending just below apex; basal laminal cells rectangular to quadrate; distal cells ± rounded-quadrate, 6–10 µm, smooth; marginal cells not distinct from basal. Sexual condition autoicous; perichaetial leaves longer than stem leaves. Seta 2–3.5 mm. Capsule long-exserted, ovate to ovate-oblong, wrinkled when old and dry, not constricted below mouth; stomata absent; peristome single; exostome teeth 16, smooth. Calyptra cucullate, long-conic, smooth, naked, not plicate, covering distal 1/3 of capsule. Spores isosporous, multicellular.

Distribution

North America, ne Mexico, South America, Asia.

Discussion

Species 6 (1 in the flora).

Drummondia is characterized by branched, prostrate stems and cucullate calyptrae.

Selected References

None.

... more about "Drummondia"
Dale H. Vitt +
Hooker in T. Drummond +
North America +, ne Mexico +, South America +  and Asia. +
For Thomas Drummond, 1780 – 1835, Scottish botanist who collected extensively on two expeditions to North America +
in T. Drummond, Musc. Amer., +
Drummondia +
Orthotrichaceae +