What's Blooming at the Los Angeles County

July 2007
Page Five

Zephyranthes grandiflora
Pink rain lily
Amaryllidaceae (Amaryllis family)
Northern Mexico, Guatemala
Ipomoea carnea
Morning-glory shrub
Convolvulaceae (Morning glory family)
Mexico to South America

Espostoa lanata
Old man cactus
Cactaceae (Cactus family)
Ecuador and Peru
The Cactaceae or cactus family is one of the more recognizable plant families, although the African euphorbias are often mistaken for cacti. The Cactaceae is restricted to the New World with a single exception, Rhipsalis baccifera, which grows in Africa, Madagascar and Sri Lanka, however it's possible that that species originated in the New World since it exists there as well. Cacti are residents of deserts and semi-deserts, and the family contains about 2000 species in about 100 genera. They are succulent plants adapted to extremely hot and dry environments, their stems containing the chlorophyll they need to produce food, and the leaves having evolved into spines for protection from predators. The flowers are generally large and radially symmetrical. Cacti are a relatively recently evolved family since the continents moved apart, and many have important commercial uses.

Pleiogynium timorense
Burdekin plum
Anacardiaceae (Sumac family)
Eastern Australia and Papua New Guinea

Acacia seyal
Gum-arabic tree, Whistling thorn
Fabaceae (Pea family)
Egypt to eastern and southern Africa
Castanea mollissima
Chinese chestnut
Fagaceae (Oak family)
China and Korea

Corymbia (=Eucalyptus) calophylla X ficifolia
Red flowering gum
Myrtaceae (Myrtle family)
Hort. (Orig. Australia)
Acacia pravissima
Owens wattle
Fabaceae (Pea family)
Southeast Australia

Achillea filipendulina 'Moonshine'
Fernleaf yarrow, Cloth of gold
Asteraceae (Sunflower family)
Central and Western Asia
Salvia mexicana
Mexican sage
Lamiaceae (Mint family)

Ficus elastica
Rubber tree
Moraceae (Mulberry family)
India, Indonesia
Cattleya 'Louise Georgiana'
No common name recorded
Orchidaceae (Orchid family)

Gardenia cornuta
Horned gardenia
Rubiaceae (Madder family)
Southern Africa
Eucalyptus stoatei
Scarlet pear gum
Myrtaceae (Myrtle family)
Southwestern Australia

Tradescantia pallida
(syn. Setcreasea purpurea, S. pallida)
Purple heart, Wandering Jew
Belamcanda chinensis
Blackberry lily, Leopard lily
Iridaceae (Iris family)
Eastern Russia to Japan

Typha sp.
Typhaceae (Cat-tail family)
Hymenocallis sp.
Spider lily
Amaryllidaceae (Amaryllis family)
Tropical America

Cynara cardunculus
Asteraceae (Sunflower family)
Southern Europe


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Plant List
Family Descriptions
Los Angeles County Arboretum Home Page

© M.L. Charters, Sierra Madre, CA.  2006-2007
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