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This species is accepted, and its native range is Kenya to Uganda.

[FTEA]

Dryopteridaceae, JP Roux, M Shaffer-Fehre, B Verdcourt. Flora of Tropical East Africa. 2007

Type
Uganda, Mt Elgon, Dümmer 3557 (NBG!, holo.; BOL!, K!, iso.)
Morphology General Habit
Terrestrial.
Vegetative Multiplication Rhizomes
Rhizome short-decumbent, up to 15 mm in diameter, with closely spaced stipe bases and dark brown ovate to lanceolate scales up to 15 × 7 mm, with short and long filiform outgrowths, and/or with scattered unicellular glands
Morphology Leaves
Fronds tufted, suberect to arching, up to 1.1 m long.
Morphology Leaves Stipes
Stipe proximally castaneous, ferrugineous to stramineous higher up, up to 57 cm long and 9 mm in diameter, proximally with dense brown to dark broadly ovate to lanceolate scales up to 15 × 7 mm, with a few scattered unicellular glands, or with uniseriate filiform outgrowths, apex flagelliform, higher up moderately to sparsely set with stramineous to ferrugineous scales and hairs.
Morphology Leaves Leaf lamina
Lamina firmly herbaceous, ovate to narrowly triangular, up to 55 × 44 cm, to 3-pinnate.
Morphology Leaves Rachis
Rachis stramineous, narrowly winged towards apex, initially moderately to densely set with scales and hairs, scales stramineous, narrowly lanceolate to filiform, up to 6 × 1.8 mm.
Morphology Leaves Pinnae
Pinnae in up to 18 stalked pairs, basal pair inaequilaterally ovate to oblong-acuminate, lanceolate to oblong-acuminate towards lamina apex, basal pair slightly shorter or longer than pair above, basiscopically developed in lower half of lamina, up to 330 × 180 mm, with up to 11 stalked pinnule pairs; pinna-rachis narrowly winged along entire length in smaller specimens, abaxially moderately to densely set with stramineous to ferrugineous ovate to filiform scales up to 4 × 1.2 mm and hairs.
Morphology Leaves Pinnules
Pinnules narrowly triangular to oblong-obtuse, pinnatifid to 1-pinnate, acroscopic pinnule on basal pinnae up to 80 × 35 mm, basiscopic pinnule on basal pinnae up to 90 × 28 mm; costa narrowly winged, abaxially moderately to densely set with scales similar, but smaller than those on pinna-rachis, and with hairs; segments spaced, oblong-obtuse, basiscopically decurrent, up to 12 × 4 mm, lobed, lobes serrate, adaxially glabrous or sparsely set with hairs, abaxially closely set with hairs along costae, costules, and veins
Morphology Reproductive morphology Sori
Sori medial to inframedial, discrete at maturity, circular, up to 1.2 mm in diameter; sporangium stalk simple, glandular, or haired; exindusiate or indusium brown, cordate to reniform, repand to irregularly lobed, up to 1 mm in diameter
Morphology Reproductive morphology Spores
Spores with prominent reticulate ridges, with granulate deposits, 32–52 × 22–38 mm
Ecology
Montane and riverine forests with Podocarpus, bamboo zone; 1700–3600 m
Conservation
Widespread; least concern (LC)
Distribution
Range: Appears to be restricted to the mountainous regions of tropical East Africa and the Ahmar mountains in Ethiopia Flora districts: U2 U3 K3 K4 T6 T7

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[FTEA]
Use
None recorded for our area

Native to:

Kenya, Uganda

Dryopteris tricellularis J.P.Roux appears in other Kew resources:

First published in Kew Bull. 57: 735 (2002)

Accepted by

  • Roskov Y. & al. (eds.) (2018). World Ferns: Checklist of Ferns and Lycophytes of the World Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Literature

Flora of Tropical East Africa

  • K.B. 57: 735, fig. 1 & 2 (2002).

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0