Kosteletzkya C.Presl

Kosteletzkya (en), Hibiscus (fr)

Genus

Angiosperms > Malvales > Malvaceae

Characteristics

Herbs, perennial [annual], or subshrubs, variously scabrous. Stems erect or ascending [scrambling or creeping]. Leaves: stipules persistent, linear-subulate or filiform; blade narrowly ovate to transversely ovate [lanceolate], unlobed to palmately, often hastately or sagittately, 3–5-lobed, maplelike, base cordate to rounded or truncate, margins crenate, serrate, or nearly entire. Inflorescences axillary, solitary flowers or, by upper leaf reduction, forming open panicles [racemes, spikes, or pedunculate glomerules]. Pedicels jointed, at least in fruit; involucellar bractlets persistent, 6–10, distinct. Flowers: calyx persistent, somewhat accrescent, not inflated, not spathaceous, lobes veined, not strongly ribbed, triangular-ovate, often narrowly so, apex acute; corolla rotate or funnelform [convolute], pink or white [yellow, sometimes with red spot at base]; staminal column 1/2 length of to nearly equaling petals [much exceeding them]; ovary 5-carpellate; ovules 1 per carpel; styles 5-branched at or beyond orifice of staminal column; stigmas capitate. Fruits capsules, erect, not inflated, oblate, depressed, slightly impressed, 5-angled or-winged, 5-valved, 5-locular, apex apiculate, flattened or rounded, not indurate, not fleshy, hairy or minutely so, ± scabrid, often transversely rugose or striate, sections dehiscent. Seeds 1 per locule, reniform-ovoid [reniform-globose], glabrous or scabridulous, often with curved, concentric lines. x = 19.
More
Herbs or somewhat shrubby plants, pubescent with small, stellate and/or long, rigid, simple or stellate hairs. Leaves petiolate, stipulate, the blade entire to 5-parted, sometimes more or less hastate or sagittate. Flowers solitary in the axils or in open, axillary or terminal panicles or racemes; epicalyx of 5 to 10 narrow bract-lets, persistent, rarely obsolete; calyx cupuliform, 5-parted, persistent; petals erect or spreading, often pubescent outside; staminal tube elongate, usually 5-dentate, the anthers numerous, reniform; ovary 5-loculate, each locule 1-ovulate, the ovules ascending; style branches 5, the stigmas capitate. Capsules depressed-globose, prom-inently 5-angled, loculicidally dehiscent; seeds reniform.
Carpels 1-seeded; capsule eventually breaking into 5 deciduous segments, each composed of halves of adjacent carpels; seeds smooth; otherwise as in Hibiscus. 30, N. Amer., Afr., Madag.
Capsule depressed-globose with 5 prominent angles, dehiscing loculicidally.
Ovary 5-locular; loculi 1-ovulate; style 5-branched, stigmas capitate.
Flowers solitary, axillary or in axillary or terminal racemes.
Epicalyx of 7–10 filiform to linear bracts.
Calyx 5-lobed or 5-toothed.
Shrubs or herbs.
Seeds reniform.
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Foliage retention deciduous
Sexuality hermaphrodite
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Hardiness (USDA) 4-10

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Cultivation

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