| Height | 50–112 cm | 85–115 cm | 30–60 cm |
|---|
| Tuberous roots shape | Fusiform to subglobose | Fusiform | Fusiform |
|---|
| Stems | Erect, terete, herbaceous, tomentose, not branching above | Erect, terete, herbaceous but becoming stramineus and subligneous below, glabrous, branching above | Erect, terete, herbaceous, branching above |
|---|
| Leaves | 1.5–18 cm long, simple or 1–2- pinnatifid; opposite or alternate lateral pinnae segments, with the basal lobes often reclinate and pointing backward and resembling stipels | (5–)8–25 cm long, 2–3-pinnatifid; opposite lateral pinnae segments, without basal lobes resembling stipels | 6–13 cm long, 2–3-pinnatifid; opposite lateral pinnae segments, without basal lobes resembling stipels |
|---|
| Petiole | 0.6–5 cm long, winged | (3–)6–9 cm long, winged | 1–3 cm long, entire |
|---|
| Capitulescence | 1–2 capitula | 3–6 capitula | 1–2 capitula |
|---|
| Peduncle length | 17–45 cm | 7–16(–27) cm | 15–25 cm |
|---|
| Involucre | 1.1–2.2 × 0.5–1.2 cm | 0.6–1.2 × 0.4–0.6 cm | 0.8–1 × 0.4–0.5 cm |
|---|
| Outer phyllaries | 7–8, 4.3–10 mm, ensiform to oblong, green | 8, 8–11 mm, linear lanceolate, light green | 5–8, 5–8 mm, linear lanceolate, light green |
|---|
| Inner phyllaries | 6–8, 5.4–11 mm long, ensiform to oblong, translucent, yellow to light green | 8, 7–14 mm long, elliptic oblong-lanceolate, translucent, yellow | 8, 9–11.5 mm long, oblonglanceolate, semitranslucent, yellow to grayish |
|---|
| Ray florets | 8, limb 1.9–3.9 × 0.5–1.6 cm, pale lilac | 8, limb 1.5–2 × 0.5–0.9 cm, lavender-purple | 5–8, limb 1.4–3 × 0.5–0.8 cm, lavender-purple |
|---|
| Disk florets | 34–46, 6.9–8.1 mm long, yellow, protected by the first paleae series and showing overall a tubular appearance | 40–50, 5–6.5 mm long, yellow with purple lobes, not protected by the first paleae series somewhat loose | 20–30, 5.5–7.5 mm long, yellow, not protected by the first paleae series somewhat loose |
|---|
| Cypsela | 6.9–19.1 × 0.8–2 mm, light brown to reddish brown, fusiform | 9–12 × 0.6–1.8 mm, blackish brown, linear | Unknown |
|---|
| Pappus awns | 2, 0.8–3.5 mm long, often loosening | 0–2, 0.8–1 mm long | Unknown |
|---|
| Distribution | Central Sierra Madre del Sur, on slopes facing the Balsas Basin in Guerrero, in temperate Quercus forest | Western Sierra Madre del Sur in Jalisco, in a transition zone between the pine and oak forest and the cloud forest | Eastern Sierra Madre del Sur in Oaxaca, in Pinus - Quercus - Juniperus forest |
|---|
| Elevation range | 1290–1690 m | 1900–2200 m | 2300–2800 m |
|---|