Rhus

Contains 4 accepted taxa overall.

Characteristics

Genus

Rhus L.

Family

Common Name

SUMAC

Specimen

Notes

Order

SAPINDALES

Family

Genus

Rhus

RHUS Linnaeus, Sp. Pl. 265. 1753.

Basionym

Type

TYPE: Rhus coriaria Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 481. 1913.

Scientific Name	Common Name	Status
Rhus aromatica	FRAGRANT SUMAC	Native UPL (NWPL)
Rhus copallinum	WINGED SUMAC	Native UPL (NWPL)
Rhus glabra	SMOOTH SUMAC	Native
Rhus michauxii	FALSE POISON SUMAC; MICHAUX'S SUMAC	Native Endangered-State Endangered-US

1. Leaves with 3 leaflets

1. Leaves mostly with 9-25 leaflets

2. Stem, petiole, and leaf rachis glabrous

2. Stem, petiole, and leaf rachis pubescent

3. Leaflets entire or sometimes a few with crenate margins, narrowly lanceolate to narrowly ovate

3. Leaflets regularly dentate, broadly lanceolate to broadly ovate

Synonym	Full Citation	Type
Lobadium	Lobadium Rafinesque, Amer. Monthly Mag. & Crit. Rev. 4: 357. 1819.	TYPE: Lobadium amentaceum Rafinesque, nom. illegit. (Rhus aromaticum Aiton)
Malosma	Malosma Nuttall ex Abrams, Fl. Los Angeles, ed. 3. 220. 1917.	TYPE: Malosma laurina (Nuttall ex Torrey & A. Gray) Nuttall ex Abrams (Rhus laurina Nuttall ex Torrey & A. Gray)
Neostyphonia	Neostyphonia Shafer, in Britton, N. Amer. Trees 612. 1908.	TYPE: = Styphonia Nuttall 1838.
Rhoeidium	Rhoeidium Greene, Leafl. Bot. Observ. Crit. 1: 143. 1903.	TYPE: Rhoeidium microphyllum (Engelmann ex A. Gray) Greene (Rhus microphylla Engelmann ex A. Gray)
Schmaltzia	Schmaltzia Desvaux ex Small, Fl. S.E. U.S. 727. 1903.	TYPE: = Lobadium Rafinesque 1819.
Styphonia	Styphonia Nuttall, in Torrey & A. Gray, Fl. N. Amer. 1: 220. 1838.	TYPE: Styphonia integrifolia Nuttall
Sumachium	Sumachium Rafinesque, Amer. Monthly Mag. & Crit. Rev. 2: 265. 1818.	TYPE: = Rhus Linnaeus 1753.
Sumacus	Sumacus Rafinesque, Fl. Tellur. 3: 56. 1837 ("1836").	TYPE: = Rhus Linnaeus 1753.