Show Lower Taxa
Macrocoma tenuis
Rev. Bryol. Lichénol. 39: 217. 1973.
Illustrated
Basionym: Orthotrichum tenue Hooker & Greville Edinburgh J. Sci. 1: 120, plate 5 [lower left]. 1824
Treatment appears in FNA Volume 28. Treatment on page 43.
Leaves with basal laminal cells bulging, papillose-mammillose. Seta dextrorse, smooth. Capsule 1.3–2 mm; exothecial cells not or slightly differentiated; peristome consisting of low papillose membrane. Calyptra often splitting by one cleft along one rib.
Distribution
se United States, Mexico, West Indies, Central America, South America, Asia, s Africa, Pacific Islands (New Zealand), Australia
Discussion
Subspecies 2 (1 in the flora).
Subspecies tenuis is Old World in distribution.
Selected References
None.
Lower Taxa
... more about "Macrocoma tenuis"
developed +
absent +
acute;narrowly obtuse +
bulging +
hairy +
many +
papillose +
not decurrent +
simple +
ascending +
many +
2-fid +
naked +
splitting +
conspicuous +
hairy +
large +
emergent +
erect +
exserted +
immersed +
oblong-cylindric;fusiform +
not constricted +
differentiated +
absent +
absent +
percurrent +
strong +
roundedquadrate +
small +
alternating +
hyaline +
absent +
linear-lanceolate +
single +
connate +
papillose +
blunt +
thick +
rectangular;elliptic +
differentiated +
connate +
occasional +
asexual +
uniform +
twisted +
crowded +
contorted +
flexuose +
erect-appressed +
erect-spreading +
papillose-mammillose +
not rugose +
erect +
involute +
not distinct +
sexual +
rudimentary +
papillose +
rostrate;convex;conic +
thick +
sometimes larger +
branching +
large +
absent +
rudimentary +
single +
dwarf +
male +
absent +
fragmentary +
Rev. Bryol. Lichénol. +
1973 +
vertical +
dextrorse +
Illustrated +
unicellular +
creeping +
erect-ascending +
2-fid +
developed +
superficial +
immersed +
Macrocoma tenuis +
Macrocoma +
species +
specialized +
thin +
olive brown;reddish-brown;olive brown;reddish-brown;dark green +
small +