WorldFloraDB - Hyptis

Characteristics

Herbs, coarse, half-shrubs, shrubs, or rarely trees. Leaves opposite, simple, mostly petiolate, pinnately-nerved. Inflorescences verticils, arranged as a spike or raceme, or congested into dense capitula, + sessile or pedunculate; bracts linear to ovate. Flowers sessile or pedicellate; bracteoles present or npt apparent; calyx tubular or campanulate, ? actinomorphic, rarely bilabiate, often enlarging in fruit, generally membranaceous and ca 10-veined, the tube straight, bent, or curved, the teeth deltoid, linear or spinulose; corolla tubular, white, blue, or rose-purple, glabrous or pubescent, bilabiate, the upper lip 2-lobed, the lower lip usually longer and 3-lobed, the middle lobe saccate; stamens 4, paired, mounted on the corolla throat, curved into the lower lip or exserted over it, the filaments distinct, the connective not developed, the anthers with 2 functional thecae, frequently red to purple, mostly divergent; ovary 4-lobed, gynobase lobed and somewhat elongated, the style gynobasic, long and slender, branched near the tip, the lobes small, clavate and ? equal. Nutlets (1-)4, attached at the base, ovoid-cylindrical or ? flattened, sometimes with 2 slight depressions on the lobes of the gynobase adhering, brown.

Herbs, subshrubs, or shrubs, erect. Leaves dentate. Bracts subulate to spinescent. Flowers in capitula, compact spikes, or loose panicles. Calyx tubular-campanulate to tubular, erect to oblique, 10-veined, throat tufted villous or glabrous; teeth 5, subequal, straight; fruiting calyx dilated. Corolla 2-lipped; tube cylindric to swollen on 1 side, nearly cylindric to narrowly funnelform; upper lip 2-lobed, lobes erect, spreading, or reflexed; lower lip 3-lobed, middle lobe saccate, reflexed in flower, base constricted, sometimes with projected teeth; lateral lobes similar, conspicuous, close together to lobes of upper lip or to middle lobe. Stamens 4, anterior 2 longer, declined; filaments free, edentate; anther cells 2, apically confluent. Style apex 2-cleft or subentire. Disc entire or slightly swollen in front. Nutlets ovoid to oblong, smooth or dotted, scabrid, membranous winged in a few species.

Herbaceous or shrubby, often aromatic. Leaves serrate, gland-dotted. Flowers small or medium, variously arranged in densely spicate or densely capitate inflorescences or in few-flowered clusters, often secund. Bracts subulate or setaceous. Calyx tubular or campanulate, straight or oblique, 10-nerved; teeth 5, subequal, acute or awned, erect. Corolla 5-lobed, 2-lipped; upper lip 2-lobed, lobes erect or spreading or reflexed; lower lip 3-lobed, the midlobe abruptly deflexed, with thickened margins, sometimes saccate at the base. Stamens 4, declinate; filaments free, without basal appendages; anther-cells confluent. Disk entire, equal-sided. Style subentire or shortly 2-fid. Nutlets oblong or ovoid, smooth or rugose sometimes only one or two developed.

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Foliage retention	deciduous
Sexuality	hermaphrodite
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Cultivation

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