Haplophyton cimicidum auct. non A. DC.
Family: Apocynaceae
Haplophyton cimicidum image
Liz Makings  
Kearney and Peebles 1971, McLaughlin 1994, Wiggins 1964
Common Name: cockroachplant Nativity: Native Lifeform: Subshrub General: Subshrubs, 20-60 cm tall; stems bright green, sometimes white, gray, or light tan with age, branched, often woody at the base, lightly pubescent. Leaves: Leaves mostly alternate, short-petiolate; blades bright green, lanceolate, sparsely hirsute, 2-4 cm long. Flowers: Yellow or sometimes blue, solitary or in clusters of 2 or 3 at branch tips; generally with 5 petals which pinwheel out in an overlapping whorl from the end of the corolla tube, corolla tube 6-9 mm long, pubescent externally. Fruits: Pair of elongated follicles (capsules that split apart along a single suture line) bearing long, slender, black seeds, the seeds with a deciduous tuft of long white hairs at the tips. Ecology: Found on rocky and gravely slopes, often in canyons, from 2,000-4,500 ft (610-1372 m), flowers July-October. Distribution: s AZ, s NM, sw TX; south to c MEX. Notes: Distinguished by being a semi-short erect perennial subshrub to ca. 60 cm; alternate leaves (some appearing opposite at first glance) which tend to hang downward with conspicuous, white, appressed hairs aligned towards the leaf tip in straight lines; hairy, linear calyx lobes; and a showy yellow, tubular corolla with lobes overlapping and emerging from a twisted bud. Ethnobotany: Contains alkaloids used as an insecticide to cockroaches, flies, fleas, lice and mosquitos. Etymology: Haplophyton comes from Greek kaploos which means simple and phyton which means plant; cimicidum is from the Latin cimex (bug), and -cide from the Latin caedere (to kill), referring to the plant-s use as an insecticide. Synonyms: H. cimicidum var. crooksii, Haplophyton crooksii Editor: LCrumbacher 2011, FSCoburn 2015, AHazelton 2015
Haplophyton cimicidum image
Anthony Mendoza  
Haplophyton cimicidum image
Anthony Mendoza  
Haplophyton cimicidum image
E. Makings  
Haplophyton cimicidum image
Anthony Mendoza  
Haplophyton cimicidum image
Haplophyton cimicidum image
Anthony Mendoza  
Haplophyton cimicidum image
Sue Carnahan  
Haplophyton cimicidum image
Sue Carnahan  
Haplophyton cimicidum image
Liz Makings  
Haplophyton cimicidum image
Patrick Alexander  
Haplophyton cimicidum image
Patrick Alexander  
Haplophyton cimicidum image
Patrick Alexander  
Haplophyton cimicidum image
Patrick Alexander  
Haplophyton cimicidum image
Sue Carnahan  
Haplophyton cimicidum image
Anthony Mendoza  
Haplophyton cimicidum image
Shannon Henke  
Haplophyton cimicidum image
Sue Carnahan  
Haplophyton cimicidum image
Anthony Mendoza  
Haplophyton cimicidum image
Anthony Mendoza  
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Jillian Cowles  
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image
Haplophyton cimicidum image