Subfamily
III. Subfam. Ajugoideae Kostel. (1834).
Subfam. Teucrioideae (Dumort.) Caruel (1884).
Description
Shrubs; stems sharply quadrangular; leaves opposite, sessile or subsessile, elliptic to oblong or linear-lanceolate, entire, often caducous; inflorescence a tight axillary cyme of 1-3-flowers; calyx actinomorphic, not accrescent, 5-lobed; corolla white, zygomorphic, not clearly lipped or 1-lipped and then only anterior lip present, 5-lobed, anterior lobe largest; stamens 4, didynamous, included to slightly exserted, filaments arched, thecae divaricate, confluent at dehiscence; pollen operculate, with supratectal verrucae; ovary shallowly 4-lobed; stigma-lobes equal; disc absent; fruit drupaceous, globose, orange-red, pyrenes 4, 1-seeded, reticulately ridged; endosperm absent. Three species, Australia. Previously placed within "Chloanthoideae" (Prostantheroideae tribe Chloantheae), but probably closely related to Teucrium, Teucridium, and Oncinocalyx , with which it shares a distinctive pollen morphology (Abu-Asab and Cantino 1993).
Distribution
Native to:
50 Australia
Synonyms
* Spartothamnus A.Cunn. ex Walp., Repert. Bot. Syst. 6: 694 (1847), nom. illeg.; non Spartothamnus Webb & Berthel. ex C. Presl (1845).
* Basionym/Replaced Synonym
Publication
Spartothamnella Briq. in Engler & Prantl, Nat. Pflanzenfam. 4 (3a): 161 (1895); Munir, J. Adelaide Bot. Gard. 1: 3-25 (1976).
Image resource
© Royal Botanic Gardens, Kew