| Cordylanthus nidularius | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Orobanchaceae |
| Genus: | Cordylanthus |
| Species: | C. nidularius |
| Binomial name | |
| Cordylanthus nidularius | |
Cordylanthus nidularius is a rare species of flowering plant in the family Orobanchaceae known by the common name Mt. Diablo bird's beak. [1]
The plant is endemic to Mount Diablo, in the northern Diablo Range within Contra Costa County, in the East Bay region of northern California. [2]
It grows in chaparral habitats and only on serpentine soils, at elevations of 600–800 metres (2,000–2,600 ft). [2]
Cordylanthus nidularius is a small annual herb. It foliage is red-tinted gray-green in color, and coated with glandular hairs and woolly fibers. [1]
The flowers are each surrounded by 2 or 3 bracts divided into three narrow lobes up to 1.5 centimeters long. The corolla is a purple-streaked white pouch enclosed in a calyx of sepals. [1] The bloom period is during July and August. [2]
This is a state and California Native Plant Society listed Critically endangered species. It is currently known from only one occurrence on Mt. Diablo, which is threatened by trail construction and recreation, and possibly by fire suppression. [3]
Coreopsis hamiltonii, the Mt. Hamilton coreopsis, is a rare California species of tickseeds in sunflower family. It is found only in a small region including Mount Hamilton and the Diablo Range in the southwestern San Francisco Bay Area.
Cordylanthus is a genus of plants in the family Orobanchaceae native to western North America. They are known commonly as bird's beaks. Like other Orobanchaceae genera, bird's beaks are root parasites which insert haustoria into the roots of host plants to obtain nutrients. These are spare, weedy-looking annual plants with long branching erect stems and little foliage. Many bear bird's-beak-shaped flowers.
Arctostaphylos glandulosa, with the common name Eastwood's manzanita, is a species of manzanita.
Chloropyron maritimum is a rare species of flowering plant in the family Orobanchaceae known by the common names salt marsh bird's beak and Point Reyes bird's beak, depending on the specific subspecies. It was formerly classified as Cordylanthus maritimus.
Eriogonum alpinum is a species of wild buckwheat known by the common name Trinity buckwheat.
Eryngium aristulatum, known by the common names California eryngo and Jepson's button celery, is a species of flowering plant in the family Apiaceae.
Fritillaria striata, known by the common name striped adobe lily, is an uncommon species of fritillary.
Cordylanthus rigidus is a species of flowering plant in the family Orobanchaceae known by the common name stiffbranch bird's beak.
Arctostaphylos montaraensis, known by the common name Montara manzanita, is a species of manzanita in the family Ericaceae.
Artemisia palmeri is a rare species of sagebrush known by the common names San Diego sagewort and Palmer sagewort.
Calochortus pulchellus is a rare species of flowering plant in the lily family known by the common name Mt. Diablo fairy-lantern or Mount Diablo globelily.
Cirsium hydrophilum is a species of thistle which is endemic to California, where it is found only in the San Francisco Bay Area and the Sacramento-San Joaquin River Delta. This native thistle grows in wet boggy habitats.
Clarkia tembloriensis is a rare species of flowering plant in the evening primrose family, known by the common name Temblor Range clarkia and belonging to the Onagraceae family.
Linanthus killipii, known by the common name Baldwin Lake linanthus, is a rare species of flowering plant in the phlox family.
Leptosiphon nuttallii is a species of flowering plant in the phlox family known by the common name Nuttall's linanthus.
Lomatium stebbinsii, known by the common name Stebbins' desertparsley, is a rare species of flowering plant in the carrot family.
Navarretia rosulata is a rare species of flowering plant in the phlox family known by the common names San Anselmo navarretia, Marin County navarretia, and Marin County pincushionplant.
Navarretia setiloba is a rare species of flowering plant in the phlox family known by the common names Paiute Mountain pincushionplant and Piute Mountains navarretia.
Streptanthus hispidus, the Mt. Diablo jewelflower, is a rare species of flowering plant in the mustard family.
Galium jepsonii, with the common name Jepson's bedstraw, is a rare flowering plant species in the Rubiaceae — Madder family.