Daltonia

Hooker & Taylor

Muscol. Brit., 80, plates 3 [near upper left], 22 [lower center left & right]. 1818

Etymology: For Rev. John Dalton, 1764 – 1843, British botanist and bryologist
Treatment appears in FNA Volume 28. Treatment on page 252. Mentioned on page 251, 652.
Plants glossy. Stems prostrate or suberect, branches short, ascending. Leaves erect, sometimes flexuose-twisted and contorted when dry, flexuose when moist, ovate-lanceolate, ligulate- to lance-acuminate, symmetric, straight, keeled; margins entire, strongly bordered, cells linear, incrassate, in several rows; costa ending before apex in distal 1/4; laminal cells usually uniformly rhomboidal to elongate-hexagonal, walls usually incrassate; basal cells sometimes rounded, longer, smooth. Sexual condition autoicous or synoicous. Seta roughened distally [smooth]. Capsule erect to subinclined; exothecial cells strongly collenchymatous; exostome teeth hygrocastique (teeth incurved when dry and reflexed when moist), densely papillose, with zigzag longitudinal lines, not striate, not furrowed; endostome segments linear, narrow, same length as teeth, perforate along keel. Calyptra smooth to somewhat roughened distally, basal fringe hairs dense. Spores papillose.

Distribution

nw North America, Mexico, West Indies, Central America, South America, Europe, Asia, Africa, Atlantic Islands, Indian Ocean Islands, Pacific Islands (New Zealand), Australia.

Discussion

Species ca. 22 (1 in the flora).

Facts about "Daltonia"
AuthorPatricia M. Eckel +
AuthorityHooker & Taylor +
Distributionnw North America +, Mexico +, West Indies +, Central America +, South America +, Europe +, Asia +, Africa +, Atlantic Islands +, Indian Ocean Islands +, Pacific Islands (New Zealand) + and Australia. +
EtymologyFor Rev. John Dalton, 1764 – 1843, British botanist and bryologist +
Illustration copyrightFlora of North America Association +
IllustratorPatricia M. Eckel +
Publication titleMuscol. Brit., +
Publication year1818 +
Referencemajestyk2011a +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V28/V28 401.xml +
Taxon familyDaltoniaceae +
Taxon nameDaltonia +
Taxon parentDaltoniaceae +
Taxon rankgenus +
VolumeVolume 28 +