| Synonyms: | |
| Common names: | Mexican cardinal flower (English) Sierra Madre lobelia (English) |
| Description: | Branching perennial herb or subshrub to 1.5 m tall. Leaves ± sessile, lanceolate to ovate-lanceolate (narrower to almost linear in var. angustifolia); margin serrate; apex acuminate. Flowers 3-4 cm long, 2-lipped, red and yellow, borne on long axillary pedicels; lower lip notched; upper 2-partite. |
| Notes: | |
| Derivation of specific name: | laxiflora: with lax or open inflorescences |
| Flowering time: | |
| Worldwide distribution: | Mexico, just reaching the USA in Arizona |
| Growth form(s): | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Bailey, L.H. (1949). Manual of Cultivated Plants Revised edition. Macmillan, New York. Page 971. |