Cistus L.

Rockrose (en), Ciste (fr)

Genus

Angiosperms > Malvales > Cistaceae

Characteristics

Shrubs, 5–25 dm, <hairy, hairs simple, sometimes clustered (stellate), glandular and eglandular>. Leaves opposite, petiolate or sessile; blade 1-or 3-veined from base, margins sometimes revolute and/or undulate. Inflorescences solitary flowers or corymbiform, scorpioid [paniculiform or racemiform] cymes. Pedicels present or absent; bracts present or absent. Flowers chasmogamous; sepals <tardily falling>, 3 or 5; petals [0 or] (4–)5, pink, purple, red, or white, <sometimes drying yellowish>; stamens [50–]100–150+; <filaments distinct or basally connate>; carpels 5 or 6–12; styles 0 or 1, <to 0.5 or 1–3+ mm>; stigmas 1, <capitate or truncate>. Capsules 5–12-valved. Seeds 10–800+ per capsule. x = 9.
More
Characters in Australia as for the family:Small shrubs with simple and stellate indumentum. Leaves simple, opposite. Flowers bisexual, almost actinomorphic, in cymes or solitary. Sepals 5, free, unequal. Petals 5, free, convolute in bud, caducous. Stamens numerous, on a hypogynous disc; anthers versatile, bilocular, opening by slits. Ovary superior, 1-locular, 3–10–carpellate; placentation parietal, usually intruding into ovary; ovules several, orthotropous; style simple. Fruit a loculicidal capsule. Seeds with endosperm; embryo curved.
Aromatic, evergreen shrubs. Lvs opposite, exstipulate; petioles often connate at base. Fls mostly in simple or compound terminal cymes. Bracts often large, sometimes foliose. Petals 5, mostly > 1 cm long, crumpled in bud, white or pink to purplish, often with dark blotch at base. Ovary appearing 5-(10)-locular and placentation appearing axile because of well-developed septae; style short to long; stigma large, 5-10-lobed; ovules on filiform funicles. Capsule usually 5-valved, closely invested by calyx, woody. Embryo circinate.
Life form -
Growth form shrub
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
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Mature width (meter) -
Mature height (meter) 0.5 - 2.5
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Flower color
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Nitrogen fixer -
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Environment

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Hardiness (USDA) 7-11

Usage

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Edible -
Therapeutic use -
Human toxicity -
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Cultivation

Mode -
Germination duration (days) 7 - 30
Germination temperacture (C°) 18 - 21
Germination luminosity light
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