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No key was found for the requested taxon, but it is the only child of Malvaviscus. Showing where it is keyed below.

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Key to Malvaceae

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1 Petals absent; carpels 5, whorled, each expanding into a stalked and papery structure which bears 1-4 pea-sized seeds along its margins; tree; leaves 10-40 cm wide, 3-5 lobed, the lobes acute, the margins entire; [subfamily Sterculioideae]
1 Petals present; carpels 1, 5, or many, united or separate, but not as above; tree, shrub, or herb; leaves< 15 cm wide, lobed or unlobed, but if lobed then also serrate.
..2 Epicalyx of bracts (immediately subtending the calyx) absent.
....3 Stamens 3 or 5; [subfamily Byttnerioideae].
......4 Flowers solitary or in 2-3-flowered fascicles in leaf axils; petals hooded, caducous; capsules with prickles 0.3-0.5 mm long
......4 Flowers in capitate or umbellate clusters of > 4 flowers; petals flat, persistent; capsules smooth or hairy.
........5 Ovary with 5 carpels and 5 styles; capsule with 5-10 seeds; corolla pink, purple, or white
........5 Ovary with 1 carpel and 1 style; capsule with 1 seed; corolla orange to yellow
....3 Stamens >10.
..........6 Stamens free.
............ 7 Tree; fruit a woody drupe; [subfamily Tilioideae]
............ 7 Herb or shrub; fruit a capsule; [subfamily Grewioideae, tribe Apeibeae].
............ ..8 Leaves rounded or subcordate at base, acute at apex; fruit much longer than broad, unarmed
............ ..8 Leaves cuneate at base, acuminate at apex; fruit subglobose, with hooked spines
..........6 Stamens united into a staminal column adnate to the corolla at its base; [subfamily Malvoideae; tribe Malveae].
............ ....9 Seeds 2 or more per carpel
............ ....9 Seed 1 per carpel.
............ ......10 Leaves palmately and deeply cleft (> 9/10s of the way to the midrib) into linear segments
............ ......10 Leaves unlobed or lobed (if lobed , < 4/5’s of the way to the midrib and the lobes broad).
............ ........11 Flowers many in a terminal panicle; corolla white; style branches filiform, the stigmatic surface elongate along the inner side of the branches; leaves >10 cm wide, deeply 5-9-lobed; plants 1-2 m tall
............ ........11 Flowers solitary or a few in leaf axils (or many in a terminal panicle in Sida hermaphrodita); corolla blue-purple, yellow, or white; style branches truncate, the stigmatic surface terminal and capitate; leaves < 2 cm wide, unlobed (or leaves > 10 cm wide and deeply 3-7-lobed in Sida hermaphrodita); plants < 1 m tall (or 1-4 m tall in Sida hermaphrodita).
............ ..........12 Corolla blue to purple; lateral walls of the carpels disintegrating at maturity of the fruit
............ ..........12 Corolla yellow or white; lateral walls of the carpels persistent
............ ............ 13 Leaves deeply palmately lobed; plants 1-2 (-4) m tall; petals white
............ ............ 13 Leaves unlobed; plants 0.2-1 m tall; petals yellow
..2 Epicalyx of bracts (immediately subtending the calyx) present.
............ ............ ..14 Fruit a loculicidal capsule or fleshy and berry-like.
............ ............ ....15 Fruit fleshy and berry-like; [subfamily Malvoideae; tribe Hibisceae]
............ ............ ....15 Fruit a loculicidal capsule.
............ ............ ......16 Calyx spathe-like, soon falling after anthesis; [subfamily Malvoideae; tribe Hibisceae]
............ ............ ......16 Calyx radially symmetrical, 5-lobed.
............ ............ ........17 Style branches short, erect, the stigmas nearly sessile; epicalyx bracts 3, large, foliaceous, and incised; seeds bearing long white fibers; [subfamily Malvoideae; tribe Gossypiae]
............ ............ ........17 Style branches elongate, spreading; epicalyx bracts 6-15, linear to lanceolate and untoothed; seeds sometimes pubescent but not with long white fibers; [subfamily Malvoideae; tribe Hibisceae].
............ ............ ..........18 Locules of the fruit several-seeded; capsule longer than broad, the apex pointed or rounded; petals yellow, white, red, or pink (if pink, then > 4 cm long, or the plant a shrub)
............ ............ ..........18 Locules of the fruit 1-seeded; capsule depressed-globose, indented at the apex; petals pink, 2-4 cm long
............ ............ ..14 Fruit of radially disposed, 1- to several-seeded, dry carpels that split apart at maturity.
............ ............ ............ 19 Bracts of the epicalyx 5 or more.
............ ............ ............ ..20 Shrubs or woody herbs, with leaves not basally disposed; flowers in axils of well-developed leaves; fruit spiny (or lacking spines in Pavonia hastata); [of SC southward]; [subfamily Malvoideae; tribe Hibisceae].
............ ............ ............ ....21 Bracts of the epicalyx 5-15, distinct; fruit with 0-3 spines per carpel; leaves lacking foliar nectaries
............ ............ ............ ....21 Bracts of epicalyx 5, fused basally; fruit covered with numerous glochidiate spines; leaves with 1-3 foliar nectaries (glands) on undersurface near base
............ ............ ............ ..20 Herbs, with leaves basally disposed; flowers in terminal bracteates spikes or racemes; fruit lacking spines; [collectively widespread]; [subfamily Malvoideae; tribe Malveae].
............ ............ ............ ......22 Plant 1.5-3 m tall, usually unbranched; flowers 6-10 cm across
............ ............ ............ ......22 Plant 0.5-1.2 m tall, branched; flowers 2-3 cm across
............ ............ ............ 19 Bracts of the epicalyx 2-3; [subfamily Malvoideae; tribe Malveae].
............ ............ ............ ........23 Ovules and seeds 2 or more per carpel.
............ ............ ............ ..........24 Herb 0.5-2.5 m tall, upright; petals 2-3 cm long, pink-purple; carpels not beaked at the tip
............ ............ ............ ..........24 Herb to 0.5 m tall, prostrate to ascending; petals 0.3-0.5 cm long, orange-red; carpels beaked at the tip
............ ............ ............ ............ 25 Leaf blades 1.5-8× as long as wide.
............ ............ ............ ............ ..26 Style branches filiform, the stigmatic surface elongate along the inner side of the branches
............ ............ ............ ............ ..26 Style branches truncate, the stigmatic surface terminal and capitate
............ ............ ............ ............ 25 Leaf blades orbicular, about as wide as long.
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