Dudleya saxosa subsp. saxosa

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Panamint dudleya
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Saxifragales
Family: Crassulaceae
Genus: Dudleya
Species:
Subspecies:
D. s. subsp. saxosa
Trinomial name
Dudleya saxosa subsp. saxosa
Synonyms
  • Cotyledon saxosum M.E.Jones

Dudleya saxosa subsp. saxosa is a species of succulent perennial plant endemic only to the western Panamint Range of California. It is known commonly as the Panamint liveforever or Panamint dudleya. It is found on north-facing, granitic or limestone slopes and grows up to 20 cm wide. It is characterized by bright yellow, red tinged flowers, which bloom from May to June.

This species grows from basal rosettes which emerge from a caudex. The caudex is 1 to 1.5 cm in diameter. There are 1 to 4 rosettes per plant, which can be 6 to 20 cm wide. The leaves are 3 to 9 cm long, 3 to 15 mm wide, and 1.5 to 3 mm thick, with the base 5 to 15 mm wide.[1]

The inflorescence emerges from a peduncle 5 to 20 cm tall, and 2 to 4 mm wide. The lower internodes are generally greater than 5 mm apart. There are 3 first degree branches, with the terminal branches (cincinni) not wavy, the terminal branches 1 to 4 cm long, 2 to 9 flowered. The pedicels are 5 to 10 mm long. The flower has petals that are 9 to 12 mm long, colored bright yellow, and generally tinged with red.[1][2]

Taxonomy

Distribution and habitat

References

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