Las Trampas Wildflowers A photographic guide to showy wildflowers of Las Trampas Regional Wilderness Sorted by Flower Color Photographs by Wilde Legard Botanist, East Bay Regional Park District Revision: February 23, 2007
More than 2,000 species of native and naturalized plants grow wild in the San Francisco Bay Area. Most are very difficult to identify without the help of good illustrations. This is designed to be a simple, color photo guide to help you identify some of these plants. The selection of showy wildflowers displayed in this guide is by no means complete. The intent is to expand the quality and quantity of photos over time. The revision date is shown on the cover and on the header of each photo page. A comprehensive plant list for this area (including the many species not found in this publication) can be downloaded at the East Bay Regional Park District s wild plant download page at: http://www.ebparks.org. This guide is published electronically in Adobe Acrobat format to accommodate these planned updates. You have permission to freely download and distribute, and print this pdf for individual use. You are not allowed to sell the electronic or printed versions. In this version of the guide, only showy wildflowers are included. These wildflowers are sorted first by flower color, then by plant family (similar flower types), and finally by scientific name within each family. Under each photograph are four lines of information, based on the current standard wild plant reference for California: The Jepson Manual: Higher Plants of California, 1993. Common Name These non-standard names are based on Jepson and other local references. Scientific Name Scientific names revised since 1993 are NOT included in this edition. Origin & Longevity Native or Introduced. Annual, Biennial, Perennial, or a combination. Family Name The common plant family name according to Jepson. For readers that prefer a more comprehensive guide, sorted by scientific name, please download the wild plants version of this guide. Readers are encouraged to email any suggestions or corrections to wlegard@ebparks.org. All photographs are 2006 Wilde Legard, all rights reserved.
Wildflowers of Las Trampas Regional Wilderness White Page 1 of 22 Nievitas Popcorn Flower Plagiobothrys nothofulvus Borage Family California Buckeye Aesculus californica Buckeye Family Buckbrush Ceanothus cuneatus var. cuneatus Buckthorn Family Common Yard Knotweed Polygonum arenastrum Buckwheat Family Poison Hemlock Conium maculatum Introduced Biennial Carrot Family Cow Parsnip Heracleum lanatum Carrot Family Shepherd's Needle Scandix pecten-veneris Carrot Family Ribes californicum var. californicum Hillside Gooseberry Gooseberry Family
Wildflowers of Las Trampas Regional Wilderness White Page 2 of 22 Canyon Gooseberry Ribes menziesii Gooseberry Family Common / California Manroot Marah fabaceus Gourd Family Blue Elderberry Sambucus mexicana Honeysuckle Family White Fairy Lantern Calochortus albus Oakland Star Tulip Calochortus umbellatus White Butterfly Mariposa Lily Calochortus venustus Common Soap Plant Chlorogalum pomeridianum var. pomeridianum Smilacina stellata Starry False Solomon's Seal
Wildflowers of Las Trampas Regional Wilderness White Page 3 of 22 Common Star Lily Zigadenus fremontii Hidden-flower Cheeseweed Malva parviflora Mallow Family Common Horehound Marrubium vulgare Introduced Perennial Mint Family Black Sage Salvia mellifera Mint Family Climbing Morning Glory Calystegia purpurata ssp. purpurata Morning-Glory Family Shortstem Morning Glory Calystegia subacaulis ssp. subacaulis Morning-Glory Family Field Bindweed Convolvulus arvensis Introduced Perennial Morning-Glory Family Cardamine californica Milkmaids Mustard Family
Wildflowers of Las Trampas Regional Wilderness White Page 4 of 22 White Water Cress Rorippa nasturtium-aquaticum Mustard Family Hairy Fringepod Thysanocarpus curvipes Mustard Family Blue Gum Eucalyptus globulus Introduced Perennial Myrtle Family Subterranean Clover Trifolium subterraneum Pinklobe Linanthus Linanthus androsaceus Phlox Family Mouse-ear Chickweed Cerastium glomeratum Pink Family Windmill Pink Silene gallica Pink Family Stellaria media Common Chickweed Pink Family
Wildflowers of Las Trampas Regional Wilderness White Page 5 of 22 California Dwarf Plantain Plantago erecta Plantain Family English Plantain Plantago lanceolata Plantain Family Cream Cups Platystemon californicus Poppy Family Woodland Strawberry Fragaria vesca Rose Family Creambush / Ocean Spray Holodiscus discolor Rose Family Oso Berry Oemleria cerasiformis Rose Family Himalayan Blackberry Rubus discolor Introduced Perennial Rose Family Rubus ursinus Native California Blackberry Rose Family
Wildflowers of Las Trampas Regional Wilderness White Page 6 of 22 Small-flower Alumroot Heuchera micrantha Saxifrage Family Woodland Star Lithophragma affine Saxifrage Family California Saxifrage Saxifraga californica Saxifrage Family Yarrow Achillea millefolium Blow Wives Achyrachaena mollis Mayweed Anthemis cotula California Everlasting Gnaphalium californicum Native Biennial Plectritis macrocera Longhorn Plectritis Valerian Family
Wildflowers of Las Trampas Regional Wilderness White Page 7 of 22 Yerba Santa Eriodictyon californicum Waterleaf Family Variable-leaf Nemophila Nemophila heterophylla Waterleaf Family Wild Heliotrope Phacelia Phacelia distans Waterleaf Family Rock Phacelia Phacelia imbricata ssp. imbricata Waterleaf Family Pholistoma membranaceum White Fiesta Flower Waterleaf Family
Wildflowers of Las Trampas Regional Wilderness Yellow Page 8 of 22 Bentflower Fiddleneck Amsinckia lunaris Borage Family Common Fiddleneck Amsinckia menziesii var. intermedia Borage Family California Buttercup Ranunculus californicus Buttercup Family Prickleseed Buttercup Ranunculus muricatus Buttercup Family Pacific Woodland Sanicle Sanicula crassicaulis Carrot Family Golden Eggs Suncup Camissonia ovata Evening Primrose Family Yellow Mariposa Lily Calochortus luteus Barbarea orthoceras Erect-pod Winter Cress Mustard Family
Wildflowers of Las Trampas Regional Wilderness Yellow Page 9 of 22 Black Mustard Brassica nigra Mustard Family Yellow Charlock Sinapis arvensis Mustard Family Deerweed Lotus scoparius var. scoparius California Lotus Lotus wrangelianus California Bur Clover Medicago polymorpha Shamrock Clover Trifolium dubium Birch-leaf Mt. Mahogany Cercocarpus betuloides var. betuloides Rose Family Mimulus aurantiacus Bush Monkey Flower Snapdragon Family
Wildflowers of Las Trampas Regional Wilderness Yellow Page 10 of 22 Golden Monkey Flower Mimulus guttatus Snapdragon Family Large-flower Native Dandelion Agoseris grandiflora Tocalote Centaurea melitensis Yellow Star Thistle Centaurea solstitialis Pineapple Weed Chamomilla suaveolens Dandelion-leaf Hawk's-beard Crepis vesicaria ssp. taraxifolia -Biennial Golden Yarrow Eriophyllum confertiflorum var. confertiflorum Helenium puberulum Rosilla Native Biennial
Wildflowers of Las Trampas Regional Wilderness Yellow Page 11 of 22 Mt. Diablo Helianthella Helianthella castanea Smooth Cat's-ear Hypochaeris glabra Rough Cat's-ear Hypochaeris radicata Introduced Perennial Goldfields Lasthenia californica Common Tidytips Layia platyglossa Common / Coast Tarweed Madia sativa Bristly Ox-tongue Picris echioides -Biennial Senecio vulgaris Common Groundsel
Wildflowers of Las Trampas Regional Wilderness Yellow Page 12 of 22 Prickly Sow Thistle Sonchus asper ssp. asper Common Sow Thistle Sonchus oleraceus Common Dandelion Taraxacum officinale Introduced Biennial-Perennial Narrow-leaf Mule's Ear Wyethia angustifolia Gray Mule's Ear Wyethia helenioides Viola pedunculata Johnny-Jump-Up / Wild Pansy Violet Family
Wildflowers of Las Trampas Regional Wilderness Pink/Purple Page 13 of 22 Coast Larkspur Delphinium decorum ssp. decorum Buttercup Family Purple Sanicle Sanicula bipinnatifida Carrot Family Small Clarkia Clarkia affinis Evening Primrose Family Elegant Clarkia Clarkia unguiculata Evening Primrose Family Panicled / Weedy Willowherb Epilobium brachycarpum Evening Primrose Family Long-beaked Filaree Erodium botrys Geranium Family Red-stem Filaree Erodium cicutarium Geranium Family Erodium moschatum White-stem Filaree Geranium Family
Wildflowers of Las Trampas Regional Wilderness Pink/Purple Page 14 of 22 Purpletip Cut-leaf Geranium Geranium dissectum Geranium Family Hairy Dove's Foot Geranium Geranium molle Geranium Family Chaparral Currant Ribes malvaceum var. malvaceum Gooseberry Family Hairy Vine Honeysuckle Lonicera hispidula var. vacillans Honeysuckle Family Pink / Serrated Onion Allium serra Giant Trillium Trillium chloropetalum Ithuriel's Spear Triteleia laxa Sherardia arvensis Blue Field Madder Madder Family
Wildflowers of Las Trampas Regional Wilderness Pink/Purple Page 15 of 22 Bull Mallow Malva nicaeensis Mallow Family Common Checkerbloom Sidalcea malvaeflora ssp. malvaeflora Mallow Family California Milkweed Asclepias californica Milkweed Family Whorled/Narrow-leaf Milkweed Asclepias fascicularis Milkweed Family Common Rigid Hedge Nettle Stachys ajugoides var. rigida Mint Family Vinegar Weed Trichostema lanceolatum Mint Family Wild Radish Raphanus sativus Mustard Family Lathyrus vestitus var. vestitus Pale Purple Pacific Pea
Wildflowers of Las Trampas Regional Wilderness Pink/Purple Page 16 of 22 California Tea Rupertia physodes Tree Clover Trifolium ciliolatum Rose Clover Trifolium hirtum Small-head Clover Trifolium microcephalum Tomcat Clover Trifolium willdenovii Spring Vetch Vicia sativa ssp. sativa Winter Vetch Vicia villosa ssp. varia -Biennial Dodecatheon hendersonii Mosquitobills Shooting Star Primrose Family
Wildflowers of Las Trampas Regional Wilderness Pink/Purple Page 17 of 22 Magenta Red Maids Calandrinia ciliata Purslane Family Common Pale Claytonia Claytonia exigua ssp. exigua Purslane Family California Wild Rose Rosa californica Rose Family Bellardia Bellardia trixago Snapdragon Family Purple Owl's Clover Castilleja exserta ssp. exserta Snapdragon Family Chinese Houses Collinsia heterophylla Snapdragon Family Few-flowered Collinsia Collinsia sparsiflora var. collina Snapdragon Family Carduus pycnocephalus Italian Thistle
Wildflowers of Las Trampas Regional Wilderness Pink/Purple Page 18 of 22 Purple Star Thistle Centaurea calcitrapa -Biennial Bull Thistle Cirsium vulgare Introduced Biennial Cardoon / Artichoke Thistle Cynara cardunculus Introduced Perennial Milk Thistle Silybum marianum -Biennial Purple Salsify Tragopogon porrifolius Introduced Biennial-Perennial Robust Vervain Verbena lasiostachys var. scabrida Vervain Family Phacelia californica California / Rock Phacelia Waterleaf Family
Wildflowers of Las Trampas Regional Wilderness Blue Page 19 of 22 Large Hound's Tongue Cynoglossum grande Borage Family Royal Larkspur Delphinium variegatum ssp. variegatum Buttercup Family Greater Periwinkle Vinca major Introduced Perennial Dogbane Family Blue-eyed Grass Sisyrinchium bellum Iris Family Blue Dicks Dichelostemma capitatum ssp. capitatum Ookow Dichelostemma congestum Black Nightshade Solanum nigrum Nightshade Family Solanum umbelliferum Blue Witch Nightshade Family
Wildflowers of Las Trampas Regional Wilderness Blue Page 20 of 22 Miniature Dove Lupine Lupinus bicolor Douglas Sky Lupine Lupinus nanus Arroyo Lupine Lupinus succulentus American Brooklime Speedwell Veronica americana Snapdragon Family Persian Speedwell Veronica persica Snapdragon Family Nemophila menziesii var. menziesii Baby Blue-eyes Waterleaf Family
Wildflowers of Las Trampas Regional Wilderness Red/Orange Page 21 of 22 California Fuchsia Epilobium canum ssp. canum Evening Primrose Family California Poppy Eschscholzia californica Poppy Family Wind Poppy Stylomecon heterophylla Poppy Family Scarlet Pimpernel Anagallis arvensis Primrose Family Woolly Paintbrush Castilleja foliolosa Snapdragon Family Cirsium occidentale var. venustum Venus / Cobweb Thistle Native Biennial
Wildflowers of Las Trampas Regional Wilderness Green/Brown Page 22 of 22 Fritillaria affinis var. affinis Checker Lily