Vitis californica with the tendrils opposite the leaves
Vitis californica with the inflorescences opposite the leaves
Close up of Vitis girdiana inflorescence
Erodium botrys showing the five fertile stamens
Erodium cicutarium showing immature fruits and pinnately compound leaves
Geranium dissectum with palmately divided leaves
Geranium molle with ten fertile stamens
Oxalis oregana ten stamens and five styles
A clump of Oxalis pes-caprae
Croton californicus male flowers
Croton californicus developing fruits
Euphorbia esula white sap
Euphorbia lathyris a cross section of the inflorescence showing male and female flowers
Euphorbia oblongata inflorescences subtended by yellow bracts
Euphorbia esula general view
Viola adunca showing bilaterally-symmetrical flowers and nectar spurs
Viola beckwithii showing compound leaves
Populus balsamifera fruits
Populus fremontii pendent male catkins
Populus fremontii trees
Populus tremuloides leaves
Salix lasiolepis female catkins
Salix goodingii with mature fruit
Salix hookeriana a thicket
Adenostoma fasiculatum flowers
Adenostoma fasciculatum foliage
Adenostoma fasciculatum overall view
Cercocarpus betuloides fruits
Cercocarpus betuloides flowers
Chamaebatia australis general view
Chamaebatia foliolosa flowers and leaves
Fragaria chiloensis showing stolons
Fragaria sp. leaf and fruits
Fragaria chiloensis flowers
Heteromeles arbutifolia flowers
Heteromeles arbutifolia fruits and leaves
Holodiscus discolor flowers
Holodiscus discolor foliage
Holodiscus microphylla general view
Lyonothamnus floribundus one leaf
Lyonothamnus floribundus ssp. asplenifolius flowers
Oemleria cerasiformis pendent flowers
Oemleria cerasiformis unripe drupes
Oemleria cerasiformis male flowers
Potentilla anserina ssp. anserina showing pinnately compound leaves
The shrubby Potentilla fruticosa
Potentilla gracilis with palmately compound leaves
Prunus andersonii flowers showing hypanthia
Prunus ilicifolia drupes
Rosa californica fruits
Rosa canina flower showing many stamens
Rosa gymnocarpa flowers and leaves
Rubus discolor flowers and fruits
Rubus parviflorus flower
Rubus ursinus stem and leaf showing prickles
Spiraea densiflora inflorescences
Spiraea douglasii overall view
Ceanothus crassifolius flowers showing stamens opposite petals (spoon-shaped) and alternating with sepals (triangular)
Ceanothus cuneatus fruits
Ceanothus velutinus leaves showing three main veins
Rhamnus californica showing leaves with one main vein and drupe fruits
Rhamnus ilicifolia flowers with four petals
Rhamnus californica ssp. californica flowers with five petals
Urtica dioica ssp. holosericea closeup showing the flowers and the stinging hairs on the stems
Urtica dioica ssp. holosericea when it isn’t flowering
Urtica urens a smaller, introduced Urtica
Marah fabaceus immature fruits
Marah fabaceus male flowers
Marah fabaceus var. agrestis female flower
Marah oreganus a vine and the fruit
Camissonia boothii ssp. boothii showing capitate stigmas
Camissonia claviformis showing capsules that develop from inferior ovaries
Camissonia ovata, the Camissonia we saw at Redwood Regional Park
Clarkia amoena showing spotted petals
Clarkia cylindrica showing sepals that are fused after the flower opens
Epilobium angustifolium ssp. circumvagum showing seeds with tufts of hair
Epilobium canum a hummingbird-pollinated Epilobium
Epilobium ciliatum A flower showing the inferior ovary
Epilobium ciliatum general view
Oenothera caespitosa showing four-lobed stigma and anthers attached at middle
A population of Oenothera deltoides
Oenothera elata showing the fruits (ribbed) at the base of the elongated hypanthia