Mariosousa

Mariosousa is a genus of 13 species of flowering plants in the family Fabaceae. It belongs to the mimosoid clade of the subfamily Caesalpinioideae.[3] Members of this genus were formerly considered to belong to the genus Acacia.[1]

Mariosousa
Mariosousa willardiana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Caesalpinioideae
Clade: Mimosoid clade
Genus: Mariosousa
Seigler & Ebinger
Type species
Mariosousa coulteri
(Bentham) Seigler & Ebinger
Species[1][2]

13; see text

The range of the genus Mariosousa
Synonyms
  • the Acacia coulteri group

Restricted in range to Central America, Mexico, and the southwestern United States, members of the genus are trees or shrubs bearing alternate, bipinnately compound leaves—each with a swelling at the base of the petiole—and white- to cream- or yellow-colored flowers. The flowers are typically borne in elongated, bottle brush–like spikes. The fruits that later replace these flowers are markedly flattened pods.

Species

The genus Mariosousa comprises the following species:[1][4]

  • Mariosousa acatlensis (Benth.) Seigler & Ebinger—Acatlan acacia
  • Mariosousa centralis (Britton & Rose) Seigler & Ebinger—Central American acacia
  • Mariosousa compacta (Rose) Seigler & Ebinger
  • Mariosousa coulteri (Benth.) Seigler & Ebinger—Coulter acacia
  • Mariosousa dolichostachya (S.F. Blake) Seigler & Ebinger—longspike acacia
  • Mariosousa durangensis (Britton & Rose) Seigler & Ebinger—Durango acacia
  • Mariosousa heterophylla (Benth.) Seigler & Ebinger—palo blanco, Willard acacia
  • Mariosousa mammifera (Schltdl.) Seigler & Ebinger
  • Mariosousa millefolia (S. Watson) Seigler & Ebinger—Milfoil wattle, Santa Rita acacia
  • Mariosousa russelliana (Britton & Rose) Seigler & Ebinger
  • Mariosousa salazarii (Britton & Rose) Seigler & Ebinger
  • Mariosousa sericea (Martens & Galeotii) Seigler & Ebinger
  • Mariosousa usumacintensis (Lundell) Seigler & Ebinger

Mariosousa willardiana is considered a synonym of Mariosousa heterophylla.

References
  1. Seigler DS, Ebinger JE, Miller JT (2006). "Mariosousa, a New Segregate Genus from Acacia s.l. (Fabaceae, Mimosoideae) from Central and North America". Novon. 16 (3): 413–420. doi:10.3417/1055-3177(2006)16[413:MANSGF]2.0.CO;2. S2CID 86112681.
  2. Maslin B. "List of Acacia sensu lato species". World Wide Wattle. Retrieved 31 December 2013.
  3. The Legume Phylogeny Working Group (LPWG). (2017). "A new subfamily classification of the Leguminosae based on a taxonomically comprehensive phylogeny". Taxon. 66 (1): 44–77. doi:10.12705/661.3.
  4. Seigler DS, Ebinger JE (2018). "New Combinations in Parasenegalia and Mariosousa (Fabaceae: Mimosoideae)" (PDF). Phytologia. 100 (4): 256–259.


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