Leptodon

D. Mohr

Observ. Bot., 27. 1803

Etymology: Greek leptos, delicate, and odon, tooth, alluding to peristome
Treatment appears in FNA Volume 28. Treatment on page 625. Mentioned on page 623, 624, 653.
Secondary stems densely 2-pinnate to flagelliform or irregularly pinnate; paraphyllia present; pseudoparaphyllia subfoliose. Stem leaves appressed or erect when dry, spreading when moist, oval to oblong-elliptic; margins plane or recurved on one side proximally, entire; apex obtuse or occasionally broadly acute; costa single, 50–70% leaf length, or double, short; alar region weakly differentiated; medial laminal cells isodiametric. Branch leaves similar, often smaller. Sexual condition dioicous; perichaetial leaf apex squarrose. [Seta 1.5–2 mm. Capsule erect, emergent, ovoid to oblong-ellipsoid; stomata absent; operculum obliquely rostrate; exostome teeth connate at base, linear-lanceolate, spiculose; endostome rudimentary. Calyptra hairy. Spores 12–15 µm, brownish yellow].

Distribution

Colo., South America, Eurasia, n, s, c Africa, Pacific Islands (New Zealand), e Australia, temperate regions.

Discussion

Species 4 (1 in the flora).

The paraphyses are 2-seriate in Leptodon, but 1-seriate in Forsstroemia.

References

None.

Lower Taxa

Facts about "Leptodon"
AuthorLloyd R. Stark +
AuthorityD. Mohr +
DistributionColo. +, South America +, Eurasia +, n +, s +, c Africa +, Pacific Islands (New Zealand) +, e Australia + and temperate regions. +
EtymologyGreek leptos, delicate, and odon, tooth, alluding to peristome +
IllustratorPatricia M. Eckel +
Publication titleObserv. Bot., +
Publication year1803 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V28/V28 983.xml +
Taxon familyLeptodontaceae +
Taxon nameLeptodon +
Taxon parentLeptodontaceae +
Taxon rankgenus +
VolumeVolume 28 +