Dudleya saxosa

Caudices simple or apically branched, cespitose, 0.1–5 × 1–3 cm, axillary branches absent. Leaves: rosettes 1–2, not in clumps, 10–25-leaved, 3–12 cm diam.; blade pale green, oblong-lanceolate, tapering from base or slightly wider near middle, 3–15 × 0.5–2.5 cm, 1.5–6 mm thick, base 0.5–2.5 cm wide, apex narrowly acute, surfaces not farinose, glaucous at least when young. Inflorescences: cyme (red), 2–3-branched, obpyramidal; branches not twisted (flowers on topside), simple or 1 times bifurcate, (5–20 cm wide); cincinni 2–3, 2–20-flowered, circinate, 1–18 cm; floral shoots 5–40 × 0.2–0.9 cm; leaves 5–20, ascending, triangular-lanceolate, 5–70 × 3–10 mm, apex acute. Pedicels erect, not bent in fruit, 5–20 mm. Flowers: calyx 4–8 × 4.5–7 mm; petals connate 1–4 mm, bright to greenish yellow or red-marked, 8–20 × 9–20 mm, apex acute, tips often outcurved; pistils connivent, erect. Unripe follicles erect.

Distribution

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• Legacy Map

Ariz., Calif.

Discussion

Subspecies 3 (3 in the flora).

The three geographically isolated subspecies of Dudleya saxosa differ mostly in size of parts and in level of ploidy.

Selected References

None.

Lower Taxa

Dudleya saxosa subsp. aloides, Dudleya saxosa subsp. collomiae, Dudleya saxosa subsp. saxosa

Key

1	Floral shoots 5-20 cm; cincinni 2-9-flowered, 1-4 cm; caudices 1-1.5 cm diam.	Dudleya saxosa subsp. saxosa
1	Floral shoots (10-)15-40 cm; cincinni 4-20-flowered, 3-18 cm; caudices 1-3 cm diam	> 2
2	Petals 8-12(-15) mm, usually bright yellow, if more than 12 mm, then greenish yellow.	Dudleya saxosa subsp. aloides
2	Petals 12-16(-20) mm, bright yellow, red- tinged.	Dudleya saxosa subsp. collomiae