What's Blooming at the Los Angeles County
Arboretum

June 2007
Page Four

Lagunaria patersonii 'Royal Purple' Primrose tree, Cow-itch tree, Norfolk Island hibiscus Malvaceae (Mallow family) Hort. (Orig. Australasia)

Alectryon coriaceus Beach bird's eye, Beach alectryon Sapindaceae (Soapberry family) Eastern Australia

		The Polygalaceae or milkwort family contains about 1000 species in 20 gen- era distributed almost worldwide but absent from New Zealand and other southern Pacific islands and the very Northern Hemisphere. It is in the order Fabales with its sister family Fabaceae. The family is composed of mainly herbs and shrubs, with a few trees and climb- ers. Over half the family members are in the genus Polygala, which derives its name from the Greek polys, "much," and gala, "milk." It was so named because it was thought originally (and incorrectly) to stimulate breast milk and not because it contains milky sap. The leaves are simple, estipulate and usually alternate, and the flowers are usually zygomorphic and often share a resemblance with the legumes, with corollas typically of 3 petals, the median anterior of which is keel-like and sometimes with a fringed crest. Used in local medicines.
Polygala apopetala No common name recorded Polygalaceae (Milkwort family) Mexico

Euphorbia resinifera Resin spurge Euphorbiaceae (Spurge family) Morocco

Pseudogaltonia clavata (syn. Ornithogalum clavatum) Cape hyacinth Hyacinthaceae (Hyacinth family) South Africa and Namibia

Platanus racemosa Western sycamore Platanaceae (Sycamore family) Southern California, Baja

Cornus macrophylla Large-leaf dogwood Cornaceae (Dogwood family) Himalayas, Japan, China

Neomarica caerulea Walking iris Iridaceae (Iris family) Brazil

Enterolobium contortisiliquum Earpod tree, Timbouva Fabaceae (Pea family) Brazil

Cymbopogon nardus Citronella grass, Nard grass Poaceae (Grass family) Southeast Asia

Catananche caerulea Cupid's dart, Blue cupidone Asteraceae (Sunflower family) Mediterranean

Origanum onites Pot marjorum Lamiaceae (Mint family) Meditteranean

Agastache cana 'Purple Pygmy' Hoary balm of Giliad Lamiaceae (Mint family) New Mexico, West Texas

Monarda didyma Bee balm, Oswego tea Lamiaceae (Mint family) Canada, U.S.

Origanum vulgare 'Humile' Creeping oregano, Dwarf marjorum Lamiaceae (Mint family) Europe

Myrtus communis Greek myrtle Myrtaceae (Myrtle family) Mediterranean

Currently unidentified

Cupaniopsis anacardioides Carrotwood Sapindaceae (Soapberry family) Australia, New Caledonia

Rudbeckia hirta 'Spotlight' Black-eyed Susan Asteraceae (Sunflower family) Central U.S.

Angophora costata Smooth-bark apple Myrtaceae (Myrtle family) Eastern Australia

Solidago californica California goldenrod Asteraceae (Sunflower family) Southern Oregon to Baja

Aster chilensis 'Point St. George' Coast aster Asteraceae (Sunflower family) British Columbia to Southern California

Erigeron glauca 'Arthur Menzies' Seaside daisy Asteraceae (Sunflower family) Oregon to coastal California

Encelia californica Bush sunflower Asteraceae (Sunflower family) California, Northern Baja

June 2007 Page Three

June 2007 Page Five

Archives

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Plant List
Unidentifieds
Family Descriptions
References
Links
Los Angeles County Arboretum Home Page


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