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Published In: Flora of Eastern Himalaya 3: 254. 1975. (Fl. E. Himalaya) Name publication detail

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

Bryoerythrophyllum recurvum is distinguished by its short, ovate-triangular leaves that have quadrate to short-rectangular basal cells. Bryoerythrophyllum inaequalifolium is similar in size to B. recurvum and it also has short basal cells, but differs in having ovate leaves that are broadly rounded to obtuse at the apex, more strongly revolute leaf margins, and dense axillary clusters of  propagula. Bryoerythrophyllum recurvum looks very much like a Barbula or Didymodon (the above Central American collections were originally named Barbula vinealis). The reddish basal cells in the axillary hairs of B. recurvum separate it from Barbula, while the presence of  massive c-shaped leaf papillae distinguishes it from Didymodon.

Illustrations: Gangulee (1972, Fig. 363); Zander (1978, Figs. 40–44); Sharp et al. (1994, Fig. 204 f–i). Figure 19.
Habitat: On soil or shaded rock in oak forests; 2000–2700 m.
Distribution in Central America: GUATEMALA. Jalapa: Steyermark 32815 (F, FH); Quezaltenango: Standley 85251 (F, FH, NY). COSTA RICA. San José: Holz & Schäfer-Verwimp CR 99-1048 (GOET, MO).
World Range: Southeastern U.S.A.; Mexico; Central America; Indian Subcontinent.


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Bryoerythrophyllum recurvum (Griff.) Saito, Bull. Univ. Mus. Tokyo 8: 254. 1975.

Gymnostomum recurvum Griff., Calcutta J. Nat. Hist. 2: 482. 1842. Desmatodon recurvus (Griff.) Mitt., J. Proc. Linn. Soc., Bot. Suppl. 1: 37. 1859. Didymodon recurvus (Griff.) Broth., Nat. Pflanzenfam. 1(3): 405. 1902. Protologue: India. In arenosis Bogapanee, [Griffith].

Plants small, reddish brown to reddish yellow, to 10–15 mm high. Stems red, erect, not or irregularly branched, sclerodermis present and central strand present; rhizoids irregularly scattered, red, smooth; axillary hairs 3–5 cells long, basal cells quadrate to trapezoidal, reddish. Leaves 0.8–1.5 mm long, erect-appressed to erect-incurved when dry, erect-spreading from the insertion when wet, ovate-triangular; apices narrowly acute to acuminate, usually apiculate; margins recurved in lower 2/3, entire, not bordered, not decurrent; costa percurrent, often sinuous, papillose at back, ventral superficial cells elongate to short-rectangular, guide cells and two stereid bands present, ventral epidermal layer enlarged, densely papillose; upper cells 5–12 x 6–8 μm, firm-walled, oblate, quadrate, or short-rectangular, pluripapillose by thick, c-shaped papillae, basal cells 8–20 x 10 μm, oblate, quadrate, or short-rectangular, pluripapillose by hollow o- or c-shaped papillae, alar cells not differentiated. Dioicous. Perigonia terminal. Sporophytes not seen.


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