Philonotis cernua

(Wilson) D. G. Griffin & W. R. Buck

Bryologist 92: 376. 1989.

Basionym: Glyphocarpa cernua Wilson J. Bot. (Hooker) 3: 383. 1841
Synonyms: Bartramidula carolinae Flowers
Treatment appears in FNA Volume 28. Treatment on page 107. Mentioned on page 98, 106.

Plants small, delicate, in lax to dense tufts, glaucous or yellowish throughout. Stems 0.5 (–2) cm, erect, simple; tomentose proximally. Leaves laxly erect-appressed, sometimes somewhat secund when dry, erect-spreading when moist, lanceolate, 0.5–1 mm; margins plane to weakly revolute, serrulate distally, teeth single; apex acute to acuminate; costa percurrent, abaxial surface rough; laminal cells prorulose at one or both ends; basal-cells similar to distal cells, wider (6–8 µm); distal cells rectangular, 20–30 × 4–6 µm. Specialized asexual reproduction absent. Sexual condition synoicous. Seta 0.5–1.5 cm, curved. Capsule 0.8–1.5 mm, smooth to irregularly wrinkled when dry. Spores reniform, 36–44 µm.


Phenology: Capsules mature Mar–Oct.
Habitat: Wet acidic rock in mountains
Elevation: moderate elevations (1200-1500 m)

Distribution

V28 166-distribution-map.gif

N.C., Tenn., Mexico, Central America, South America, w Europe (United Kingdom)

Discussion

Philonotis cernua is a diminutive species that is identified by its synoicous sexual state, globose, smooth to irregularly wrinkled capsules, and lack of a peristome.

Selected References

None.

Lower Taxa

None.
... more about "Philonotis cernua"
acute +  and acuminate +
Dana G. Griffin III +
(Wilson) D. G. Griffin & W. R. Buck +
enlarged +
Glyphocarpa cernua +
cucullate +
inclined +, horizontal +  and erect +
smooth +  and irregularly wrinkled +
globose +  and ovoid +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
appendiculate +
rudimentary +
subpercurrent +
with centric papilla +  and smooth +
synoicous +, sexual +  and asexual +
rectangular +
N.C. +, Tenn. +, Mexico +, Central America +, South America +  and w Europe (United Kingdom) +
moderate elevations (1200-1500 m) +
yellowish;pale-brown +
dark red;reddish-brown +
Wet acidic rock in mountains +
smooth +, papillose +  and mammillose +
erect-spreading +
lanceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
plane +  and weakly revolute +
blunt +  and mammillate or bluntly apiculate +
clavate +  and filiform +
discoid +  and gemmiform +
Capsules mature Mar–Oct. +
papillose +
distinct +
5 +  and many +
elongate +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
reniform +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
pentagonal +  and 2-fid +
0.5 cm5 mm <br />0.005 m <br /> (?) +
Bartramidula carolinae +
Philonotis cernua +
Philonotis +
species +
intermediate +
specialized +
synoicous +, autoicous +, dioicous +  and sexual +
enlarged +
differentiated +
thin +  and thick +