Platostoma rotundifolium (Briq.) A.J.Paton

PLANTAE / PHANEROGAMAE / ANTHOPHYTA / LAMIALES / LAMIACEAE / NEPETOIDEAE / OCIMEAE / PLATOSTOMA / ROTUNDIFOLIUM

Platostoma rotundifolium (Briq.) A.J.Paton

LC Indigenous

Report Error Export Excel

Morphological description

Stems 1-several from the base, erect, 0.5-1.2 m tall, sparingly branched, retrorse-pubescent. Leaves petiolate; blade lanceolate to ovate-lanceolate, 50-70 x 15-25 mm, sparingly appressed-pubescent especially on the nerves, copiously gland-dotted on both surfaces, apex acute, base obtuse to cuneate, margin serrate. Inflorescence dense, spike-like, 50-100 mm long; rhachis densely retrorse-pubescent; bracts broadly ovate, acute, the lowermost pair 10-25 x 8-15 mm, becoming progressively smaller towards the apex. Calyx densely pubescent, 2 mm long at flowering, increasing to 4-5 mm at fruiting stage. Corolla white or mauve, 5-6 mm long; upper lip 2.5 mm long, 3 mm broad; lower lip 2.5 x 1 mm. Stamens exserted by 2.5 mm. Style exserted by 2 mm. Nutlets 1 mm long. From: Codd, LEW. 1985. Lamiaceae: 32. Geniosporum. In: OA Leistner (ed.). Fl. S. Africa 28(4): 214-215. Botanical Research Institute, Department of Agriculture and Water Supply, Pretoria. [http://www.biodiversitylibrary.org/item/209555#page/9/mode/1up] [CC BY] As: Geniosporum angolense Briq.

Habitat

Growing with sedges and other moisture-loving plants on stream banks and marshy places. From: Codd, LEW. 1985. Lamiaceae: 32. Geniosporum. In: OA Leistner (ed.). Fl. S. Africa 28(4): 214-215. Botanical Research Institute, Department of Agriculture and Water Supply, Pretoria. [http://www.biodiversitylibrary.org/item/209555#page/9/mode/1up] [CC BY] As: Geniosporum angolense Briq.

Distribution

Found in the Transvaal, from Magoebaskloof along the eastern escarpment to Barberton and westward to Witbank and Pretoria districts, extending into Swaziland as far south as Mankaiana. Also in Angola, Zimbabwe and Malawi. From: Codd, LEW. 1985. Lamiaceae: 32. Geniosporum. In: OA Leistner (ed.). Fl. S. Africa 28(4): 214-215. Botanical Research Institute, Department of Agriculture and Water Supply, Pretoria. [http://www.biodiversitylibrary.org/item/209555#page/9/mode/1up] [CC BY] As: Geniosporum angolense Briq.

Altitude

765 to 1890 m

Occurrence records map

This map contains point-based occurrences at different locations

iNaturalist: BODATSA: Data partners records:

Residence status

Occurrence in the Flora of Southern Africa (FSA) countries and South African provinces. Residence status indicates if a taxon is indigenous, endemic, naturalised or invasive in a specific region. This data is based on specimen records and literature

FSA

BOT

NAM

ESW

LES