Rauiella praelonga

(Schimper ex Bescherelle) Wijk & Margadant

Taxon 11: 222. 1962.

Basionym: Pseudoleskea praelonga Schimper ex Bescherelle Mém. Soc. Natl. Sci. Nat. Cherbourg 16: 233. 1872
Synonyms: Bryohaplocladium praelongum (Schimper ex Bescherelle) H. A. Crum Haplocladium praelongum (Schimper ex Bescherelle) H. A. Crum Rauia praelonga (Schimper ex Bescherelle) Brotherus
Treatment appears in FNA Volume 28. Treatment on page 378. Mentioned on page 374, 379.
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Stems 2–3(–6) cm, branches to 1 cm, usually shorter; paraphyllia usually unbranched. Stem leaves spreading to wide-spreading when moist, broadly ovate; margins usually recurved proximally, plane in acumen, rarely erect; apex abruptly acuminate; laminal cells 5–6 µm wide, papillae 3–5. Branch leaves erect when dry, spreading to wide-spreading when moist, 0.4 mm; apex gradually broadly acuminate; costa pellucid proximally; laminal cells 5–6 µm wide, papillae 4–6; apical cell pointed, smooth. Perichaetial leaves 2.5 mm. Seta 1–1.5 cm. Capsule with operculum stoutly apiculate; endostome segments not or narrowly perforate, cilia in groups of 1 or 2. Spores 17 µm, finely papillose.

Phenology: Capsule maturity unknown.
Habitat: Dead branches, rock
Elevation: moderate elevations


V28 595-distribution-map.gif

Ariz., Mexico, West Indies, Central America, South America, e, s Africa.


Rauiella praelonga, occurring only rarely in the southwestern part of the flora area, differs from R. scita by the shorter acumen of the stem leaves and the smooth apical cell of the branch leaves. The species probably grows in mostly exposed habitats.

Selected References


Lower Taxa

... more about "Rauiella praelonga"
William R. Buck +
(Schimper ex Bescherelle) Wijk & Margadant +
Pseudoleskea praelonga +
Ariz. +, Mexico +, West Indies +, Central America +, South America +, e +  and s Africa. +
moderate elevations +
Dead branches, rock +
Capsule maturity unknown. +
Bryohaplocladium praelongum +, Haplocladium praelongum +  and Rauia praelonga +
Rauiella praelonga +
Rauiella +
species +