Flora of North America species comparison

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Trematodon longicollis

Trematodon montanus

long-neck moss, trematodon moss

montane trematodon moss, mountain long-neck moss
Leaves

ovate-lanceolate to long-subulate from an ovate or obovate base, serrulate at apex;

costa percurrent or ending before the apex.

abruptly subulate, entire at apex;

costa excurrent.
Seta

long, 10–30 mm.

short, 1.5–2 mm.
Capsule

inclined, curved;

neck 2–3 times as long as urn when dry, long-cylindric, strumose at base;

peristome teeth 2-fid or irregularly perforate, not fragile, commonly persistent;

annulus compound, revoluble.

erect, straight;

neck short, barely as long as the urn, obovate;

peristome teeth undivided, fragile, commonly lost with dehiscence of operculum;

annulus simple, persistent.

Trematodon longicollis

Trematodon montanus
Phenology Capsules mature spring–summer. Capsules mature summer.
Habitat Soil, sand Soil
Elevation low to moderate elevations moderate elevations (700-800 m) (moderate elevations (2300-2600 ft))
Distribution
from FNA
AL; AR; FL; GA; KY; LA; MD; MS; NC; NJ; OH; OK; PA; SC; TX; VA; Mexico; Central America; South America; West Indies (Cuba, Puerto Rico); Asia (China, Japan, Papua New Guinea); Pacific Islands (New Caledonia)
[WildflowerSearch map]
from FNA
NF
Discussion

Trematodon longicollis is much like T. ambiguus but differs in the relative lengths of capsule urn and neck when dry, and is clearly more southern in distribution. The peristome may occasionally adhere to the operculum on dehiscence and the capsule may then falsely appear gymnostomous.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 27, p. 438. FNA vol. 27, p. 438.
Parent taxa Bruchiaceae > Trematodon Bruchiaceae > Trematodon
Sibling taxa
T. ambiguus, T. boasii, T. brevicollis, T. laetevirens, T. montanus
T. ambiguus, T. boasii, T. brevicollis, T. laetevirens, T. longicollis
Synonyms T. ambiguus var. longicollis
Name authority Michaux: Fl. Bor.-Amer. 2: 289. (1803) Belland & Brassard: Lindbergia 9: 1, figs. 1–9. (1983)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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