Hesperoyucca whipplei is commonly known as Chaparral Yucca. The rhizomatous form of chaparral yucca has mature rhizomes that measure 2 to 6 feet (0.6-1.8 m) long and 1 inch (2.5 cm) in diameter [31]. In the 1,025,000-acre (414,800 ha) study area, 163,800 acres (66,300 ha) burned twice. Chaparral Yucca (Hesperoyucca whipplei) AGAVACEAE . One of the things I associate with June in Southern California is the presence of flowering Yucca stalks dotting the slopes of the nearby mountains and hillsides. Rhizomes can measure 0.8 to 1.5 inches (2-4 cm) in diameter and 16 to 37 inches (40-95 cm) in length [117]. Free shipping for many products! Growth rates were not reported for chaparral yucca or Newberry's yucca as of 2012. Species Name: Hesperoyucca whipplei. Average soil temperatures at 6 to 40 inches (15-100 cm) deep ranged from about 50 °F (10 °C) in January to about 77 °F (25 °C) in July and August. Seedling establishment: Fruits contain 6 columns of seeds [18]. 5 seeds 4.76 $ A single rhizomatous clone may occupy an entire hillside [15,22,31,83]. Chaparral Yucca. Native garden guidelines indicate that chaparral yucca tolerates excess water and grows where temperatures reach as low as 10 °F (-12 °C) [43]. There's a problem loading this menu right now. The total number of flowers/inflorescence reaching anthesis is positively correlated with rosette size (P<0.05), but strength of this correlation may be greatest when flowering is preceded by little rain [3]. Chaparral Yucca (Hesperoyucca whipplei) AGAVACEAE . It makes flowers like a yucca (and is also pollinated by a yucca moth, Tegeticula maculata) but dies after flowering, like an agave. The density of chaparral yucca within any population is variable. Chaparral yucca and Newberry's yucca produce large inflorescences on towering stalks. No information was available on these topics. One of the things I associate with June in Southern California is the presence of flowering Yucca stalks dotting the slopes of the nearby mountains and hillsides. CHECKLIST. Unable to add item to List. Of the two species, H. wipplei is the important one. resulted from self-pollination of monocarpic chaparral yucca plants in Orange County. The leaf edges are finely saw-toothed. In Baja California, chaparral yucca was described in ocotillo-pachycereus-elephant tree (Fouquieria-Pachycereus-Pachycormus spp.) ), and pine (Pinus spp.) Dense stands occur in the San Rafael Mountains and on slopes bordering the Mojave Desert [31,32]. significantly (P<0.05) reduced the germination of seeds collected from at least a third of the inflorescence in both chaparral yucca populations monitored [19]. Chaparral yucca populations occur as far south as Baja California [123]. Importance of chaparral yucca increased from pioneer to intermediate and from intermediate to mature stages of succession in 2 of 3 alluvial scrub sites in coastal southern California. Growth forms: Chaparral yucca is a perennial, acaulescent plant that grows from a caudex. Chaparral yucca seedlings that established in 1927 or 1932 after a summer fire in chamise chaparral in Barranca Canyon, southern California, had not flowered by 1949 [46]. Udovic [111] found that usually less than 10% of chaparral yucca flowers set fruit. In January and February, germinated seeds were found in fruits attached to the inflorescence and in fruits lying in the litter beneath parent plants [50]. ... Chaparral is relatively easy to start from seeds. Chaparral yucca may also occur with bigcone Douglas-fir (Pseudotsuga macrocarpa) at elevations of 900 to 3,500 feet (270-1,100 m) in southern coastal California [74] and on steep south-facing slopes in the Santa Ana Mountains [9]. Leaves are flat, rigid, gray-green in color, and have minutely serrate margins and sharp terminal spines about 0.4 to 0.8 inch (1-2 cm) long [15,42,83]. When the vegetative characteristics of thousands of widely distributed chaparral yucca plants and forms were measured in southern California, the population averages for leaf length ranged from 16 to 43 inches (41-109 cm) [31]. distribution, Dominant species in the desert chaparral type include species from coastal chaparral and desert shrub communities such as chamise, bigberry manzanita (A. glauca), antelope bitterbrush (Purshia tridentata), California juniper, desert ceanothus (C. greggii), and birchleaf mountain-mahogany (Cercocarpus montanus var. habitats [22], but additional information about chaparral yucca habitats in Baja California was lacking as of 2012. Chaparral yucca occurred on unburned transects but was rare on burned transects [103]. Fire regime information on vegetation communities in which chaparral yucca may occur. In the Coast Ranges of California, chaparral yucca was much more abundant at low-elevation (400-1,500 feet (120-460 m)) than high-elevation sites (2,000-2,450 feet (610-750 m)) [118]. Lay the seeds on top of the soil and sprinkle soil over the seeds until they are covered. The length of the flowering period is negatively correlated with the date at which the first flower opens [3]; growth and development of inflorescences are more rapid at later blooming dates [91]. Hesperoyucca whipplei - Chaparral yucca SEARCH for plants. Baker (Chaparral Yucca, Our Lord's Candle, Spanish Bayonets) Wildcrafted Seeds. In southern California, chaparral yucca populations south of the San Gabriel Mountains were dominated by solitary monocarpic rosettes, and populations north of the San Gabriel Mountains were primarily caespitose [91]. In turn, the moth pollinates the yucca and disperses its seeds, facilitating yucca growth in the region. germination and Cross vs. self-pollination, Chaparral yucca seedlings were not present in the 1st year after this fire, which was likely more severe [82]. California yucca moths lay their eggs in yucca plants, and the moth larvae feed on yucca seeds. When fire regimes were compared in annual grassland, coastal sage scrub, and chaparral vegetation types in southern California and northern Baja California, total area burned was similar from 1972 to 1980 in annual grassland, coastal sage scrub, and chaparral vegetation for the 2 areas. The plants averaged 1.9 feet (0.6 m) tall, and the greatest concentration of roots occurred in the top 1 foot (0.3 m) of soil, which was about 6 inches (15 cm) of loose sand over about 1 foot (0.3 m) of broken, slightly weathered grandiorite rock. At San Diego State University's Oaks Biological Field Station, the average density of chaparral yucca seedlings was 0.4/m² in the first postfire growing season after a January prescribed fire on south-facing slopes dominated by 57-year-old chaparral vegetation. Adult moths emerged from the soil once chaparral yucca began flowering. a severe ground fire (blue oak-interior live oak/annual grass community). Chickenpox 5. In the San Gabriel Mountains, chaparral yucca occurred in pioneer and mature alluvial scrub vegetation on alluvial fans and floodplains [101] and in coastal sage scrub at elevations below 1,500 feet (460 m) [34]. germination SOURCES. Lia Griffith LG41005 Frosted Paper Peony Flowers, 8.5" x 11", Assorted Colors 20 Pages. Just 7 of 77 plants produced flowers after 7 years. ^ McKelvey, Susan Delano. survived the fire (90% survival rate) and are now flourishing. Seeds germinated 9 days after sowing and required no pretreatments [81]. Survival was estimated by comparing the number of sprouts to the number of skeletal remains on burned sites. Changes in species compositions, species life forms, and species diversity, however, are not common in postfire succession in chaparral vegetation. However, northern and coastal rhizomatous populations lost up to 25% of their seeds to larvae, and the number of capsules without larvae was substantially greater for monocarpic than caespitose or rhizomatous forms [61]. Cancer 4. Eighty-one sites on the coastal and desert sides of the San Gabriel and San Bernardino mountains were surveyed. chaparral yucca and other chaparral and woodland species to fire: Damage and recovery in southern Sierra Nevada foothill oak woodland after Details. SITE CHARACTERISTICS AND PLANT COMMUNITIES. In the southeastern desert bioregion of California, researchers identified hotspots with relatively high fire frequencies and proportional area burned. The chamber could block dispersal of seeds beneath it, but because the larvae typically occur at the base of the capsule, dispersal potential of the uneaten seeds was unaffected by the larvae [55]. One year after a mid-July fire in the chaparral-desert ecotone of the San Ysidro Mountains, an estimated 75% of chaparral yucca plants survived and had sprouted. CHECKLIST. Values are Flowering stalks are 5 to 13 feet (1.5-4 m) tall and about 12 inches (30 cm) thick [3,15,42,83,123]. Chaparral yucca and Newberry's yucca produce Please make sure that you are posting in the form of a question. In southern California, chaparral yucca is characteristic of coastal sage scrub, which is sometimes referred to as soft chaparral [20,34,87]. Whole or split yucca leaves were also utilized for rough tying of bundles of firewood, house frames, and for basketry. Only moderate litter accumulations 600 m ) [ 30 ] pots containing Cactus mix of. 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