PlantNET Home PlantNET Home | Search NSW Flora | Contact Us  
FloraOnline
Introduction
Plant Name Search
Index Search
Spatial Search
Identification Keys
Classification
Glossary
HerbLink (Type Images)
WeedAlert
Other PlantNET Sites
Other Data Sources
NEW SOUTH WALES FLORA ONLINE Printable Page

Genus Orthosiphon Family Lamiaceae

Description: Herbs or undershrubs; branches 4-angled.

Leaves toothed or finely crenate to ± entire.

Inflorescences terminal, with 4–6 flowers per node; internodes elongate basally. Calyx tubular campanulate, 10-veined, 2-lipped; lower lip 4-toothed, with lateral lobes oblong and aristate, median lobe subulate; upper lip broad, membranous, often recurved, strongly decurrent. Corolla 2-lipped; tube slender; lower lip entire, concave; upper lip 3- or 4-lobed. Stamens 4, fertile, included or greatly exserted from corolla tube; anther loculi confluent. Ovary 4-lobed; style gynobasic; stigma capitate or clavate.

Mericarps smooth.


Photo © ANBG

Distribution and occurrence: World: c. 40 species, chiefly tropical regions of Africa & Asia to Australia. Australia: 1 species (native).

Text by B. J. Conn
Taxon concept:

One species in NSW: Orthosiphon aristatus

  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET