Pteris mildbraedii Hieron.
Synonyms |
Pteris quadriaurita Retz. var. africana Bonap. |
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Common name |
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Description |
Rhizome short, erect; rhizome scales lanceolate to linear in outline, usually dark in the middle, pale at the margins, 3–4 mm long. Fronds tufted, ± 1 m tall. Stipe 50–75 cm long, scaly at the base, quite distinctly to almost imperceptibly spinulose or rough. Lamina bipinnate, oblong to ovale in outline, 40 × 40 cm, with 2–7 pairs of laterale pinnae and terminal resembling but much bigger; pinnae oblanceolate or lanceolate-oblong in outline, 14–40 × 5–12 cm with 14–27 pairs of pinnules; ultimate segments oblong to oblong-lanceolate in outline, apex rounded to subacute, the sterile tips toothed; apical segment triangular-lanceolate, 2–6.5 cm long, 9 mm wide, crenulate at tip; rhachis, costae and costulae not spinulose; veins free in the lobes or with very sparse anastomosis; costal areoles narrow. Sori 1–1.7 cm long, not circling the sinus, almost reaching the top of the lobe. |
Notes | This species can be recognized by a 2-pinnate lamina , anastomosing veins, apices of the pinnae lobes not entire and stipe & rhachis without spines. |
Derivation | mildbreadii: type specimen was collected by Mildbread in Cameroon. |
Habitat | Seasonally moist evergreen forest floors, light shade. |
Distribution worldwide | See African distribution. |
Distribution in Africa |
Benin, Cameroon, Congo, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko), Gabon, Ghana, Ivory Coast, Liberia, Nigeria, Sudan and South Sudan, Tanzania . |
Growth form |
Terrestrial. |
Literature |
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