Orobanche L.

First published in Sp. Pl.: 632 (1753)
This genus is accepted
The native range of this genus is Temperate & Subtropics.

Descriptions

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

Morphology General Habit
Often fleshy herbs
Morphology Leaves
Scale-like leaves few to many
Morphology Reproductive morphology Inflorescences
Flowers few to many in terminal spike or raceme; bracts present, scale-like; bracteoles 2 or absent
Morphology Reproductive morphology Flowers Calyx
Calyx campanulate, with (2–)4–5 acute teeth, sometimes split to the base into 2 free segments
Morphology Reproductive morphology Flowers Corolla
Corolla tubular to funnel-shaped, with 2-lipped limb, upper lip 2-lobed, lower lip 3-lobed
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens included
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 1-celled with 4 placentas; stigma 2-lobed, peltate or funnel-shaped
Morphology Reproductive morphology Fruits
Capsule ovoid
Morphology Reproductive morphology Seeds
Seeds subglobose, minute.
Distribution
Some 160 species mainly in temperate to subtropical regions of the northern hemisphere.
[FSOM]

Orobanchaceae, R. A. Graham. Flora of Tropical East Africa. 1957

Morphology General Habit
Stems erect, seldom fleshy in E. African spp., scaly, simple or branched, singly or in clusters
Morphology Reproductive morphology Inflorescences
Inflorescence a cylindrical spike or spiciform raceme
Morphology Reproductive morphology Flowers
Flowers very congested to long interrupted, bracteate, with or without bracteoles (2)
Morphology Reproductive morphology Inflorescences Bracts
Bracts similar to the scales
Morphology Reproductive morphology Flowers Calyx
Calyx campanulate, sessile or stalked, (2–) 4–5 dentate, gamosepalous, or split dorsally and ventrally into two free sections
Morphology Reproductive morphology Flowers Corolla
Corolla tubular, the lobes of the limb arranged in two unequal parts as an upper and lower lip; upper lip of two equal, lower lip of three equal or unequal lobes
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens not or scarcely protruding; filaments glabrous to glandular hairy; anther cells parallel or slightly diverging
Morphology Reproductive morphology Flowers Gynoecium Pistil
Style terminally decurved; stigma distinctly or obscurely bilobed, peltate, or funnel-shaped
Morphology Reproductive morphology Fruits
Capsule ovoid-ellipsoid or ovoid-spheroid.
[FTEA]

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

Morphology General Habit
Parasitic perennial, biennial or annual herbs, lacking chlorophyll, usually covered with gland-tipped hairs; stems erect, simple or branched, stout or slender, slightly succulent or not, of ten thickened or more or less woody at the base.
Morphology Leaves Scale leaves
Leaves occurring as large scales.
Morphology Reproductive morphology Inflorescences
Inflorescence spicate or racemose.
Morphology Reproductive morphology Flowers
Flowers sessile or shortly pedicellate, congested to laxly arranged, bracteate; bracteoles 2 or absent.
Morphology Reproductive morphology Flowers Calyx
Calyx campanulate, 3–5-lobed, or divided to base into two bifid or bilobed segments.
Morphology Reproductive morphology Flowers Corolla
Corolla tubular, usually curved, throat somewhat widened, strongly bilabiate; upper lip entire, emarginate or bifid or bilobed, with equal lobes; lower lip 3-lobed, lobes equal or unequal with prominent folds between.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, included or nearly so, inserted below middle of tube; filaments usually thickened towards base, glabrous to glandular-hairy; anthers of ten cohering, thecae parallel or somewhat divergent, mucronate.
Morphology Reproductive morphology Fruits
Capsule bivalved, ovoid-globose or ovoid-ellipsoid, loculicidally dehiscent.
Morphology Reproductive morphology Seeds
Seeds numerous, minute, subglobose.
[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 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 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 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0