Stemodiopsis Engl.

First published in Annuario Reale Ist. Bot. Roma 7: 25 (1897)
This genus is accepted
The native range of this genus is Tropical & S. Africa.

Descriptions

Scrophulariaceae, S.A. Ghazanfar, F.N. Hepper & D. Philcox. Flora of Tropical East Africa. 2008

Morphology General Habit
Perennial herbs, woody at the base.
Morphology Stem
Stems wiry, leafy
Morphology Leaves
Leaves opposite, petiolate, toothed
Morphology Reproductive morphology Flowers
Flowers axillary
Morphology Reproductive morphology Flowers Calyx
Calyx deeply 5-lobed
Morphology Reproductive morphology Flowers Corolla
Corolla tube broadly campanulate, not spurred, 2-lipped; upper lip rounded, lower lip with a palate and ± 3-lobed
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4 fertile + 1 staminode inserted in the tube; filaments of the middle longer pair twisted; anthers dehiscing longitudinally; staminode slender
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary elongatedconical, as long as the calyx, 2-locular
Morphology Reproductive morphology Fruits
Capsule reflexed when mature, septicidal, many-seeded.
[FTEA]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Perennial herbs or subshrubs, glabrous to densely pubescent
Morphology Leaves
Leaves opposite, sessile to petiolate, with pinnate venation, entire to dentate or crenate
Morphology Reproductive morphology Inflorescences
Inflorescence terminal, racemose, leafy; pedicel curved and reflexed in fruit; bracteoles linear-filiform
Morphology Reproductive morphology Flowers Perianth
Calyx 5-lobed, lobes longer than tube, subequal. Corolla strongly 2-lipped, upper lip 2-fid, lower lip 3-lobed with distinct palate, lobes broadly triangular, tube cylindric, widened towards throat, inner side of corolla papillose-hairy
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, 2 long and 2 short, included, lower longer filaments curved or twisted, anthers with two equal thecae, confluent at apex and rounded at base
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary conical, elongate, attenuate into slender curved style; stigma 2-lobed
Morphology Reproductive morphology Fruits
Capsule with septicidal dehiscence
Morphology Reproductive morphology Seeds
Seeds numerous, with longitudinal ridges.
Distribution
Six species in tropical Africa
Ecology
Confined to fissures in rocky outcrops.
[FSOM]

Scrophulariaceae, D. Philcox. Flora Zambesiaca 8:2. 1990

Morphology General Habit
Herbs, perennial, often somewhat shrubby, stems much branched, branches very leafy, procumbent.
Morphology Leaves
Leaves opposite, simple, serrate-dentate, crenate or entire, petiolate.
Morphology Reproductive morphology Flowers
Flowers solitary or in 2–3-flowered cymes, pedicels bibracteolate.
Morphology Reproductive morphology Flowers Calyx
Calyx 5-lobed, lobes longer than tube, linear-lanceolate to lanceolate, subequal.
Morphology Reproductive morphology Flowers Corolla
Corolla bilabiate, subcampanulate; tube cylindric to somewhat dilated at mouth; upper lip shortly bilobed, lobes broadly triangular to rounded; lower lip trilobed, subcircular, lobes broadly triangular, oblong to semi-circular, pilose to papillose within.
Morphology Reproductive morphology Flowers Androecium
Stamens 4 perfect, didynamous, included; filaments of longer stamens markedly curved or twisted at or about middle; anthers bithecal, cells ovoid, equal, confluent at apex; staminode where present, filiform, arising near base of corolla tube.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary elongate-conical, bilocular, attenuate into slender style; ovules numerous.
Morphology Reproductive morphology Fruits
Capsule ellipsoid-conical, sharply rostrate, downwardly directed in fruit; valves coherent or connivent at apex after dehiscence.
[FZ]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Flora of Somalia

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

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

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0