Common Names in English:
Red Maids, Redmaids, Rock Purslane
, rarely ± shrubby, usually succulent, usually glabrous
except for nodal
. Leaves alternate or opposite; true stipules absent, nodes sometimes with axillary scales
and/or hairs; petiole
usually poorly defined or absent; leaf blade
, usually fleshy
entire. Inflorescences usually terminal
, less often axillary
, in cymes or racemelike panicles, forming heads
of sessile flowers surrounded by an involucre of leaves, or reduced to solitary flowers. Bracts inconspicuous. Flowers bisexual
, very rarely unisexual
. Sepals 2, free
or basally connate
, herbaceous or scarious
. Petals 4-6 or seldom more, distinct
or basally connate, imbricate, often brightly colored
, usually short lived. Disk usually absent. Stamens 4-100, free, fascicled, or adnate
to petals; filaments
, dehiscence longitudinal
. Ovary superior or half-inferior, 1-loculed, 2-5-carpellate; ovules 1 to many, campylotropous; placentation basal or free-central
. Style linear; stigma 2-9-lobed. Fruit a thin-walled capsule, circumscissile or 2- or 3-valved, rarely a nut, often globose
or subglobose, smooth
. Seeds many, reniform
or globose, caruncle present or not; endosperm mostly copious
, surrounded by embryo.
About 19 genera and 500 species: mainly in more arid regions of S hemisphere, especially Africa, South America, and Australia, fewer species in Asia, Europe, and North America; two genera (one introduced ) and six species (two endemic, two introduced) in China.
, not rhizomatous
. Stems prostrate
, branched; nodes glabrous
. Leaves alternate, not articulate
, somewhat to markedly clasping
, attachment points
linear to oblanceolate
, or ovate
, flattened, glabrous or with elongate
. Inflorescences racemose, somewhat to markedly secund
(at least distally), elongate, bracteate
; bracts leaflike. Flowers pedicellate
; sepals persistent
in fruit, imbricate, green, distinctly angled
, ovate, herbaceous, glabrous or with elongate, unicellular hairs; petals usually 5, red; stamens 3-15, usually opposite petals, not adnate
to petals; ovules 6-many; style present; stigmas 3. Capsules 3-valved, longitudinally dehiscent
from apex, valves
not deciduous, reflexed
after dehiscence, margins
; endocarp and exocarp
not separating. Seeds 10-20, black, ± ellipsoid
viewed at 30×, glabrous, estrophiolate. x = 12.
Species 14: temperate w Americas, with greater diversity in w South America.
Flowers: Bloom Period: June, July, August. • Flower Color: magenta
Size: 12-18" tall.
Typically found at an altitude of 0 to 4,557 meters (0 to 14,951 feet).
Culture: Space 6-9" apart.
Sunlight: Sun Exposure: Full Sun .
Moisture: Drought Tolerance: High
Temperature: Cold Hardiness: 8a, 8b, 9a, 9b, 10a, 10b. (map)
- Whittaker & Margulis,1978
- Haeckel, 1866
- Cavalier-Smith, 1981
- Sinnott, 1935 ex Cavalier-Smith, 1998
- Vascular Plants
- Kenrick & Crane, 1997
- Brongniart, 1843
- Takhtajan, 1967
- Takhtajan, 1967
- Perleb, 1826
- Adanson, 1763 ex A.L. de Jussieu, 1789, nom. cons.
- pourpiers, purslane
- Kunth, in Humboldt et al., 1823, nom. cons.
- [For J. L. Calandrini, 1703-1758, Swiss botanist]
- Specific epithet:
- Gillies ex Hook. & Arn.
- Botanical name: - Calandrinia umbellata Gillies ex Hook. & Arn.
- Specific epithet: umbellata - Gillies ex Hook. & Arn.
- Genus: Calandrinia () - Kunth, in Humboldt et al., 1823, nom. cons. - [For J. L. Calandrini, 1703-1758, Swiss botanist]
- Family: Portulacaceae () - Adanson, 1763 ex A.L. de Jussieu, 1789, nom. cons. - pourpiers, purslane
- Suborder: Portulacineae ()
- Order: Caryophyllales () - Perleb, 1826
- Superorder: Caryophyllanae () - Takhtajan, 1967
- Subclass: Caryophyllidae () - Takhtajan, 1967
- Class: Magnoliopsida () - Brongniart, 1843 - Dicotyledons
- Infraphylum: Radiatopses () - Kenrick & Crane, 1997
- Subphylum: Euphyllophytina ()
- Phylum: Tracheophyta () - Sinnott, 1935 ex Cavalier-Smith, 1998 - Vascular Plants
- Subkingdom: Viridaeplantae () - Cavalier-Smith, 1981
- Kingdom: Plantae () - Haeckel, 1866 - Plants
Publishing author : Gillies ex Hook. & Arn. Publication : Bot. Misc. 3: 334 1833
Members of the genus Calandrinia
ZipcodeZoo has pages for 8 species, subspecies, varieties, forms, and cultivars in this genus:
C. breweri (Brewer's Redmaids) · C. ciliata (Desert Rockpurslane) · C. grandiflora (Rock Purslane) · C. longiscapa (Calandrinia) · C. spectabilis (Rock Purslane) · C. umbellata (Red Maids) · C. umbellata 'Amaranth' (Red Maids) · C. umbellata 'Ruby Tuesday' (Redmaids)
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Accessed through GBIF Data Portal December 11, 2007:
- Missouri Botanical Garden, Missouri Botanical Garden
- UK National Biodiversity Network, Botanical Society of the British Isles - Vascular Plants Database
- Biodiversity Heritage Library NamebankID: 1671893
- Global Biodiversity Information Facility Taxonkey: 15795119
- Globally Unique Identifier: urn:lsid:ipni.org:names:698570-1
- International Plant Names Index (IPNI) ID: 698569-1
- Zipcode Zoo Species Identifier: 647705
- Dequan Lu & Michael G. Gilbert "Portulacaceae". in Flora of China Vol. 5 Page 442. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
- Walter A. Kelley "Calandrinia". in Flora of North America Vol. 4 Page 458, 459, 461. Oxford University Press. Online at EFloras.org. [back]
- Mean = 1,750.690 meters (5,743.734 feet), Standard Deviation = 1,132.060 based on 91 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]