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Published In: The Bryologist 83: 232. 1980. (Bryologist) Name publication detail

Project Name Data (Last Modified On 2/15/2011)
Acceptance : Accepted
Project data     (Last Modified On 2/15/2011)

Bryoerythrophyllum inaequalifolium has ovate, broadly rounded, non-apiculate leaves, a costa that is thickened and densely papillose near the apex, entirely revolute leaf margins, quadrate to oblate basal leaf cells (at times short-rectangular near the costa at the extreme base), and dense clusters of irregularly shaped axillary propagula. The peristome of this species is exceptionally well-developed which perhaps accounts for its original placement in Barbula. Zander (1980) transferred it to Bryoerythrophyllum because of its reddish color, large, c-shaped papillae, and acid-base color reactions. The illustrations of B. inaequalifolium in Zander (1968) are excellent; in contrast, the leaves drawn in Sharp et al. (1994) are not representative of this species. 

Illustrations: Fleischer (1923, Fig. 262 as Barbula reflexifolia); Zander (1968, Fig. 1–6); Zander (1981a, Pl. 4 16–19); Zander (1993, Pl. 24 1–10); Sharp et al. (1994, Fig. 207 g–k). Figure 16.
Habitat: On soil; 1950 m.
Distribution in Central America: GUATEMALA. Sacatepéquez: Standley 58979 (F). COSTA RICA. San José: Holz & Schäfer-Verwimp CR 99-1268 (GOET, MO).
World Range: Southeastern U.S.A.; Mexico; Central America; Western and Northern South America; China; Macaronesia, Northeast Tropical Africa; Indian Subcontinent, Malesia.


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Bryoerythrophyllum inaequalifolium (Tayl.) Zand., Bryologist 83: 232. 1980.

Barbula inaequalifolium Tayl., London J. Bot. 5: 49. 1846. Protologue: Ecuador. On Pichincha, near Quito, Prof. William Jameson, (Dr. Greville’s Herbarium.)


Plants small, reddish green, to 8 mm high. Stems red, erect, not or irregularly branched,  sclerodermis and central strand present; rhizoids red, smooth. Leaves 0.8–1 mm long, erect, spirally incurved when dry, erect-spreading when wet, ovate to ovate-lanceolate, plane above, obtuse; margins unistratose, revolute to the apex, entire, not bordered, not to weakly decurrent at base; costa percurrent or ending 1–2 cells below the apex, smooth at back except near the apex, ventral superficial cells quadrate to short-rectangular, pluripapillose, guide cells present, ventral stereid band weakly developed, dorsal stereid band present, ventral epidermal layer enlarged, papillose; upper cells 6–16 x 6–10 μm, firm-walled, oblate to irregularly quadrate, rounded-hexagonal, or short-rectangular, pluripapillose by thick, c-shaped papillae, basal cells smooth, those near costa 14–30 x 10–22 μm, short-rectangular, outer basal cells oblate to irregularly quadrate 6–20 x 12–16 μm, firm-walled, alar cells not differentiated. Propagula unicellular, globose to ellipsoidal propagula in dense axillary clusters. Dioicous. Perichaetia terminal; perichaetial leaves elongate, sheathing. Setae smooth, 12–15 mm long, red. Capsules cylindric, weakly curved, 2–3 mm long, smooth; exothecial cells long-rectangular; stomata in neck; opercula erect, long-conic, 1 mm long; annuli persistent, of 2–3 rows of vesiculose cells; peristome of 32 red, filamentous, spirally twisted, densely spiculose teeth on a low basal membrane, to1 mm long. Spores 8–12 μm, lightly papillose. Calyptrae cucullate, smooth, 2.5 mm long.



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