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Published In: Journal of the Linnean Society, Botany 12: 31. 1869. (J. Linn. Soc., Bot.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/24/2011)
Acceptance : Accepted
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Discussion: This species is characterized by its upper leaves that are broadly lanceolate and triangular at base and obtuse or broadly acute apices and narrowly recurved margins. The combination of triangular leaf bases and obtuse leaf apices separates it from all others. When its upper leaves do not have broadly rounded apices the species can be confused with Dicranella harrisii, which has sharply acute leaves, more or less plane leaf margins with thin-walled and bulging marginal cells, and upper leaves, near the perichaetia, distinctly clasping.
Illustrations: Montagne (1839, Pl. 14); Sullivant (1864, Pl. 20, as Dicranum debile); Bartram (1949, Fig. 16 A–C, as D. subinclinata; Fig. 17 A–D); Breen (1963, Pl. 18); Crum and Anderson (1981, Fig. 68 F–M); Reese (1984, Fig. 22 H–I).
Habitat: On soil and clay, frequent on road banks and disturbed sites; 20–1784 m.
Distribution in Central America:

BELIZE. Toledo: Robertson (NY). GUATEMALA. Baja Verapaz: Sharp 2944 (FH, US); El Progreso: Sharp 5079 (FH); Izabal: Jones & Facey 3415 (MO); San Marcos: Dwyer 15232 (MO). HONDURAS. Atlántida: Standley 54027 (F, FH, US); Cortés: Allen 14413 (MO); Morazán: Standley 17365 (F); Yoro: Allen 13672 (MO). COSTA RICA. Cartago: Alfaro 276 (FH); Heredia: Valerio 470 (FH); Limón: Gutierrez s.n. (FH, US); Puntarenas: Koch 5008 (FH, US); San José: Grayum 9677 (MO). PANAMA. Bocas del Toro: Allen 5241 (MO); Canal Area: Standley 31797 (FH, US); Chiriquí: Allen 5513 (MO); Coclé: Tyson 2472U (NY); Darién: Croat 37960A (MO); Panamá: Allen 4916 (MO); Veraguas: Witherspoon 8837 (MO).


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Dicranella hilariana (Mont.) Mitt., J. Linn. Soc., Bot. 12: 31. 1869. Dicranum hilarianum Mont., Ann. Sci. Nat. Bot., sér. 2, 12: 52. 1839. Type. Brazil, in Brasilia meridionali, Saint-Hilaire.

Dicranella subinclinata Lor., Moosstud. 160. 1864. Aongstroemia subinclinata (Lor.) C. Müll., Gen. Musc. Frond. 324. 1900. Type. Panama, in terra rubra argilloso-arenacea prope Panama, Wagner (NY).

Plants dull green to yellowish green; stems 3–25 mm high. Leaves erect-flexuous to subsecund, narrowly lanceolate, gradually tapered to a broadly rounded or obtuse apex; margins narrowly recurved, entire below, serrulate at apex; costa percurrent; upper leaf cells subquadrate to short rectangular; lower cells rectangular, cells variably firm- or lax-walled. Perichaetial leaves not different from upper stem leaves. Setae yellowish, becoming red with age, straight or flexuous, 0.5–1.57 cm long; capsules erect, ovoid to subcylindrical, 0.75–1.0 mm long; annuli compound, revoluble; opercula 0.75–1.0 mm long, obliquely rostrate; peristome, 250–350 µm high, striate-papillose and red below, papillose and hyaline above, divided more than halfway to the base. Spores 16–20 µm papillose.



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