Aphanorrhegma

Sullivant in A. Gray

in A. Gray, Manual, 647. 1848.

Etymology: Greek, aphanes, invisible,and rhegma, fracture, alluding to inconspicuous line of capsule dehiscence
Treatment appears in FNA Volume 27. Treatment on page 181. Mentioned on page 195.
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 TaxonIllustrator 
Funa Aphanorrhegma serratum.jpegAphanorrhegma serratumPatricia M. Eckel

Plants very small, scattered or gregarious. Stems to 5 mm, erect, branches simple or branching. Leaves crispate to contorted when dry, erect-spreading when moist, oblong-lanceolate, 2–2.5 mm; margins serrulate distally; apices short-acuminate; costa single, percurrent; proximal laminal cells rectangular, distal cells rectangular to almost quadrate. Sexual condition autoicous. Seta erect, to 0.2 mm. Capsule stegocarpous, erect, immersed, symmetric, globose, to 0.7 mm, smooth; exothecial cells collenchymatous, particularly those adjacent to line of dehiscence; stomata at the very base of the capsule, superficial; annulus narrow, consisting of 1 (–2) rows of delicate, small cells; operculum conical, short-apiculate, line of dehiscence equatorial, peristome absent. Calyptra mitrate, 4–6 lobed, small, smooth. Spores spherical, spiny-papillose.

Distribution

e North America

Discussion

Species 1.

Selected References

None.

... more about "Aphanorrhegma"
short-acuminate +
Bernard Goffinet +
Sullivant in A. Gray +
branching +  and simple +
specialized +
paroicous +, synoicous +, polygamous +, autoicous +, sexual +  and asexual +
persistent +  and deciduous +
lobed +  and mitrate +
nearly smooth +  and asymmetric +
stegocarpous +
0 cm0 mm <br />0 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
autoicous +  and sexual +
quadrate +  and rectangular to almost +
e North America +
Greek, aphanes, invisible,and rhegma, fracture, alluding to inconspicuous line of capsule dehiscence +
striate +  and papillose-striolate +
erect-spreading +
oblong-lanceolate;crispate;contorted +
reduced +  and larger +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
filiform +  and club--shaped +
inflated +, oblong +  and rectangular +
in A. Gray, Manual, +
papillose +  and smooth +
short;elongate +
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
spherical +
with a few branches +  and simple +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
superficial +
Aphanorrhegma +
Funariaceae +
light +  and yellow-green +
annual;biennial +
plant +  and gregarious +