Gentner’s Fritillary
Fritillaria gentneri is unique to Jacksonville and the hills southward to just over the California border. It was discovered in 1942, in Jacksonville, by 18 y.o. Laura Gentner who noted it’s distinct morphologic difference from the common crimson F. recurva. It was recognized as a distinct species in 1951. It is on the endangered species list.
In spring the first fritillaria to appear are recurva, pure crimson with coiled petal tips. Two weeks later the gentneri bloom. Late in the season gentneri predominate.
Pictured also is F. affinis (mission bell or chocolate lily), one of only several appearing in the Britt Woods, 2024. Morphologically Gentner’s appears to be a hybrid of affinis and recurva (color, petal shape) and this is supported by genetic data. Jacksonville is at the extreme southern end of the range of affinis and in the northern most range of recurva, hence is the likely location for this natural hybrid.
Photos courtesy Richard Handler, Jacksonville
Blue Dicks
Dichelostemma capitatum, Blue dicks. Mid spring.
Ookow SnakeLily
Dichelostemma congestum, Fork-tooth ookow. Late spring after blue dicks.
HarvestLily
Brodiaea elegans or Harvest brodiaea, cluster lily. Late spring, early summer
Larkspur
Delphinium nuttallianum, Twolobe larkspur. Mid spring.
Small Camas
Camassia quamash, common camas, small camas, about 2" across
Hound's Tongue
Adalinia grande or Hound's tongue (Early spring)
Chinese Houses
Collinsia heterophylla, Chinese houses. Mid spring, Sugar Pine Trail and Petard Ditch north part.
California Lilac
Ceanothus integerrimus, California Lilac or deerbrush. North part of Petard Ditch Trail, S Oregon St trailhead. Late spring, early summer.
Grasswidow
Olsynium douglasii, Douglas' grass widow. Rare, early spring Britt Ridge Trail
Shooting Star
Primula hendersonii, Henderson's shooting star
Redstem Storkbill
Erodium cicutarium, Redstem stork's-bill. Tiny, right on the ground, mid spring, Panorama trail from S Oregon St.
Fawn Lily
Erythronium hendersonii, Fawn lily. Early spring, ubiquitous.
Waxy Checkerbloom
Sidalcea glaucescens, waxy checkerbloom. Late spring - early summer.
Slender Clarkia
Clarkia gracilis, Slender clarkia. Late spring. Rich Gulch Trail.
Winecup Clarkia
Clarkia purpurea, Winecup clarkia. Late Spring. Ubiquitous.
Elegant Clarkia
Clarkia unguiculata, Elegant clarkia. Late spring. Britt Ridge Trail, Panorama to Rich Gulch shortcut.
Vetch
Vicia villosa, Hairy vetch. Late spring, blue turning red (Fir Street trailhead)
Hooker's Catchfly
Silene laciniata, Hooker's catchfly. Mid-late spring.
Western Red Coumbine
Aquilegia formosa, Western red columbine. Early summer, north part of Petard Ditch Trail and Sugarpine Trail.
Scarlet Fritillary Recurva
Fritillaria recurva. Mid spring. Note rolled petal tips.
Gentner's Fritillary
Fritillaria gentneri, Gentner's fritillary, a natural hybrid of recurva and affinsis. Note partially curved petal tips, darker red, extensive yellow.
Two Gentner
Fritillaria gentneri, Gentner's fritillary, a natural hybrid of recurva and affinsis. Note partially curved petal tips, darker red, extensive yellow.
Paintbrush
Castilleja pruinosa, red Indian paintbrush. Late spring, north part of Petard Ditch Trail.
Fritillaria Affinis
Fritillaria affinis, Mission bell fritillary. Mid spring. Rare. Britt Ridge Trail. Straight petal tips, brown-red, much yellow.
Oregon Grape
Berberis aquifolium, Oregon grape.
Salsify
Tragopogon dubius, Yellow salsify (early-mid spring).
Mountain Dandelion
Agoseris heterophylla, Mountain dandelion.
Gumweed
Madia gracilis, Gumweed.
Moth Mullein
Verbascum blattaria, Moth mullein (Early summer, S Oregon St - Panorama trailhead)
Arrowleaf Balsamroot
Balsamorhiza sagittata, Arrowleaf balsamroot.
Buttercup
Ranunculus occidentalis, Western buttercup.
Menzie Fiddleneck
Amsinckia menziesii, Common fiddleneck.
Common Lomatium
Lomatium utriculatum, Desert parsley.
Lambstongue Ragwort
Senecio integerrimus, Tall western groundsel, Lambstongue ragwort
Scotch Broom
Cytisus scoparius, Scotch Broom (invasive, near Fir Street trailhead)
Iris bracteata/Siskiyou iris
Iris bracteata, Siskiyou iris
Triteleia
Triteleia hendersonii, Henderson's triteleia, yellow variant (late spring).
Triteleia
Triteleia hendersonii, Henderson's triteleia (late spring). White variant.
Popcorn Flower
Plagiobothrys nothofulvus, Rusty popcornflower. Early-mid spring. Sunny areas.
Q Tips
Micropus californicus, Q-tips. Tiny. Late spring. Ubiquitous; carpets on Oregon St side of Panorama Point.
White Hawkweed
Hieracium albiflorum, White hawkweed (Late spring)
Hillside Woodland Star
Lithophragma heterophyllum, Hillside woodland star. Mid spring, ubiquitous.
Cornsalad Flower
Valerianella locusta, Corn salad. Mid spring. Tiny. Cut off from Fir Street trailhead to Oak St.
Trillium
Trillium albidum, Giant white wakerobin. Ziegler Trail.
Bur Chervil
Scandix pecten-veneris, Bur parsley, Bur chervil
False Babystars
Info Leptosiphon bicolor, Bicolor babystars. Mid spring. Panorama trail from S Oregon St. Very tiny, right on the ground.
Strawberry
Fragaria vesca, Wild strawberry. Mid spring, ubiquitous.
Pussy Ears
Calochortus tolmiei, Pussy ears. Early spring. Ubiquitous.
Scarlet Firethorn
Pyracantha coccinea, Scarlet firethorn (color of berries in fall) S Oregon St Rich Gulch trailhead.
Yarrow
Achillea millefolium, Common yarrow
Cuckoo Bittercress
Cardamine occidentalis, Western bittercress. Early spring in shaded areas.
Miner's Lettuce
Claytonia perfoliata, Miner's lettuce. Mid spring.
Grand Collomia
Collomia grandiflora, Grand collomia. Late spring, rare. Petard Ditch north part, Cut off from Britt Ridge to Naverson.
Wholeleaf Saxifrage
Micranthes integrifolia, Wholeleaf saxifrage.
Buckbrush
Ceanothus cuneatus, buckbrush. Fragrant blossoms. Highly flammable fire hazard.
Hairy Indian Paintbrush
Castilleja tenuis, Hairy indian paintbrush (mid-late spring)
Death Camas
Toxicoscordion venenosum, Death camas.
Modesty
Whipplea modesta, Modesty
Ground Cone
Kopsiopsis strobilacea, California ground cone.