Trees and Shrubs of Mexico: Passifloraceae-Scrophulariaceae

Acad acute at base Allg Amer areoles axillary axils Baja California beneath Benth branches branchlets Britt broad brown brownish Cact Cactaceae calyx calyx lobes central spines Cereus Chiapas Chihuahua Coahuila Contr corolla corolla tube corolla white cymes densely diameter Echinocactus elliptic elongate Engelm flowers fruit Gartenz glabrate glabrous globose glochids green Guatemala Guerrero H. B. K. Nov Herb herbaceous Hort inner perianth segments Jalisco lanceolate leaves ovate leaves petiolate leaves short-petiolate Linnaea long or less Mammillaria meters high Mexico Michoacán nearly Neomammillaria Oaxaca oblong obovate obtuse or acute Opuntia outer perianth segments ovary panicles pedicels peduncles petals petiolate Plants Proc Prodr puberulent pubescent Puebla purplish racemes radial spines ribs Rose rounded at base Salvador Salvia San Luis Potosí seeds sepals sessile Shrub Sinaloa slender sometimes Sonora species stamens Standl Stems suffrutescent T. S. Brandeg Tamaulipas tomentose tubercles type collected U. S. Nat usually Veracruz yellow Yucatán