
Belongs within: Lamiales.
The Pedaliaceae are a primarily tropical group of herbs with mucilaginous hairs, the most familiar member of which is the sesame plant Sesamum indicum.
Characters (from Black & Robertson 1965): Glandular herbs, with opposite exstipulate leaves. Flowers bisexual, irregular; corolla five-lobed, more or less two-lipped; stamens 4, in pairs, with a minute staminode; the two anther-cells parallel; ovary superior, of two to four carpels, but finely divided by secondary disseptiments into twice as many cells; ovules anatropous, several in each cell on axile placentas or rarely solitary and almost basal; style filiform, with as many stigmatic lobes as carpels; fruit a nut or capsule; seeds with scanty albumen; embryo straight, with very short radicle.
<==Pedaliaceae |--Sesamothamnus leistneranusCV06 |--Pedalium murexPP07 |--PterodiscusJ54 |--SigmatosiphonJ54 |--Josephinia Ventenat 1804BR65 | |--J. eugeniaeBR65 | `--J. papillosaLK14 |--RogeriaCV06 | |--R. adenophyllaC55 | `--R. bigibbosaCV06 `--Sesamum L. 1753L95 |--S. abbreviatumCV06 |--S. indicum L. 1753 [incl. S. orientale L. 1753]L95 `--S. marlothiiCV06
*Type species of generic name indicated
References
[BR65] Black, J. M., & E. L. Robertson. 1965. Flora of South Australia. Part IV. Oleaceae–Compositae. W. L. Hawes, Government Printer: Adelaide.
[C55] Candolle, A. de. 1855. Géographie Botanique Raisonée: Ou exposition des faits principaux et des lois concernant la distribution géographique des plantes de l’époque actuelle vol. 1. Librairie de Victor Masson: Paris.
[CV06] Craven, P., & P. Vorster. 2006. Patterns of plant diversity and endemism in Namibia. Bothalia 36 (2): 175–189.
[J54] Jacobsen, H. 1954. Handbuch der sukkulenten Pflanzen: Beschreibung und Kultur der Sukkulenten mit Ausnahme der Cactaceae vol. 1. Abromeitiella bis Euphorbia. Gustav Fischer Verlag: Jena.
[L95] Liogier, H. A. 1995. Descriptive Flora of Puerto Rico and Adjacent Islands: Spermatophyta-Dicotyledoneae vol. 4. Melastomataceae to Lentibulariaceae. Editorial de la Universidad de Puerto Rico.
[LK14] Lyons, M. N., G. J. Keighery, L. A. Gibson & T. Handasyde. 2014. Flora and vegetation communities of selected islands off the Kimberley coast of Western Australia. Records of the Western Australian Museum Supplement 81: 205–244.
[PP07] Pandey, R. P., & P. M. Padhye. 2007. Studies on phytodiversity of Arid Machia Safari Park-Kailana in Jodhpur (Rajasthan). Bulletin of the Botanical Survey of India 49: 15–78.