Leucas ciliata Benth.

Habit

Annual herb

Family Description

Herbs,subshrubs or shrubs,often aromatic.Stems usually quadrangular.Leaves simple,rarely pinnatisect or compound,opposite and usually decussate or rarely whorled.Stipules absent.Inflorescence of cymes,often condensed,paired and appearing as whorls(verticillasters),in spike-like,capitate or paniculate arrangements,ocassionally cymes pedunculate and lax,forming a panicle.Bracts caducous or persistent;bracteoles present or absent.Flowers usually hermaphrodite.Calyx usually 5-lobed,bilabiate to regular or oblique.Corolla gamopetalous,regular to zygomorphic,4-5 lobed.Stamens 4,equal or varying in length or 2 with 2 staminodes;anthers 1-or-2-celled.Ovary superior,4-lobed,becoming 4-celled,each locule containing 1 basally attached ovule.Style completely gynobasic(arising from base of ovary between lobes) or only partially gynobasic,2-lobed or rarely punctate.Fruit of 4,usually dry,one-seeded nutlets,included in persistent calyx

Genus Description

Annual or perennial herbs.Leaves sessile or shortly petiolate,entire or serrate.Inflorescences of many-flowered verticillasters,crowded or distant.Bracts ovate lanceolate to subulate.Calyx 10-nerved,tubular;apex straight or oblique,not bilabiate;teeth 8-10.Corolla bilabiate,upper lip entire,densely hirsute on outside;lower lip 3-lobed,longer than upper lip,median lobe larger than lateral lobes.Stamens 4,ascending;anthers 2-celled.Style bifid.Nutlets oblong,trigonous,scar small.

Species description

Annual herb.Stems erect,30-90cm,often branched,usually densely yellow-brown villous.Leaves lanceolate,4.4-12.8 x 1-3.5cm,acuminate,base cuneate,margins shallowly serrate,both surfaces sparsely to densely villous;petiole up to 14mm.Bracts subulate.Verticillasters usually only 2 on branches,just separated.Calyx 12-15mm,apex straight;teeth 10,4.5-5mm.Corolla white,17-18mm;upper lip 5-6mm,densely yellow-brown hirsute,lower lip c 10mm.Nutlets 2.5 x 1.4mm.

Chukha, Thimphu, Punakha, Trongsa, Mongar, Trashigang, Upper Mo chu. 915-2740m.