|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
|Family: Apocynaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Perennial herb [shrub]. Stem: twining [prostrate to erect]. Leaf: opposite; blade ovate, cordate, hastate [round]. Inflorescence: at nodes, flowers 1--2peduncles < pedicels or 0 [raceme-, umbel-, or panicle-like cyme]. Flower: corolla spreading to +- erect, ring of tissue at base 0; filament column appendages fused into 5-lobed, cup- or plate-like structure around anther head [free], attached to base of filament column, each with a vertical, flap-like projection fused to filament column, forming compartments within cup [projections otherwise or 0], solid (margins fused to those of adjacent filament column appendages), anthers fused into anther head around and fused to pistil head, pollen in pollinia; pistil head flat; nectaries in stigmatic chambers. Fruit: erect or pendent, fusiform to lance-ovoid or ovoid, smooth, with tubercles [longitudinal wings]. Chromosomes: 2n=22 (reports not including California plants).
Species In Genus: In broad sense of genus, 200 species: tropics, warm temperate America.
eFlora Treatment Author: Thomas J. Rosatti
Jepson Online Interchange
Previous taxon: Funastrum utahense
Next taxon: Matelea parvifolia
Citation for this treatment: Thomas J. Rosatti 2017. Matelea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10003, accessed on January 22, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 22, 2017.