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sennas
Senna
Senna (from Arabic sanā), the sennas, is a large genus of flowering plants in the legume family Fabaceae, and the subfamily Caesalpinioideae. This diverse genus is native throughout the tropics, with a small number of species in temperate regions. The number of species is estimated to be from about 260 to 350. The type species for the genus is Senna alexandrina. About 50 species of Senna are known in cultivation.
60 branches of this genus, most-observed first

Candelabra Bush
speciesSenna alata

American Sicklepod
speciesSenna obtusifolia

Lindheimer's Senna
speciesSenna lindheimeriana

silver senna
speciesSenna artemisioides

American senna
speciesSenna hebecarpa

Coffee Senna
speciesSenna occidentalis

Christmas Senna
speciesSenna pendula

Two-leaved Senna
speciesSenna roemeriana

Peanut-Butter Cassia
speciesSenna didymobotrya

Maryland senna
speciesSenna marilandica

Kassod Tree
speciesSenna siamea

Coues' senna
speciesSenna covesii
Buttercup Bush
speciesSenna multiglandulosa

Arsenic Bush
speciesSenna septemtrionalis

Sunshine Tree
speciesSenna surattensis

spiny senna
speciesSenna armata

Twin-flowered cassia
speciesSenna pallida

whitebark senna
speciesSenna spectabilis

matura tea tree
speciesSenna auriculata

flor de San Jose
speciesSenna atomaria

hairy senna
speciesSenna hirsuta

Money Bush
speciesSenna bicapsularis

Argentine Senna
speciesSenna corymbosa

Sickle Senna
speciesSenna tora

reticulate senna
speciesSenna reticulata

Oneleaf Senna
speciesSenna uniflora

Two-Leaved Senna
speciesSenna bauhinioides

Senna aymara
speciesSenna aymara

Senna viarum
speciesSenna viarum

Eland's Pea
speciesSenna italica

privet senna
speciesSenna ligustrina

Wislizenus' Senna
speciesSenna wislizeni

Golden Cassia
speciesSenna candolleana

Senna multijuga
speciesSenna multijuga

algarrobilla
speciesSenna sophera

Chapman's wild sensitive plant
speciesSenna chapmanii

Senna macranthera
speciesSenna macranthera

Senna weddelliana
speciesSenna weddelliana

desert senna
speciesSenna polyphylla

Senna confinis
speciesSenna confinis

Senna stipulacea
speciesSenna stipulacea

Senna cumingii
speciesSenna cumingii

Dwarf Senna
speciesSenna pumilio

eared senna
speciesSenna petersiana
Senna racemosa
speciesSenna racemosa

Cockroach Bush
speciesSenna notabilis

sticky senna
speciesSenna glutinosa

Trans-Pecos Senna
speciesSenna pilosior

Rainforest Cassia
speciesSenna acclinis

Senna phyllodinea
speciesSenna phyllodinea

Senna rugosa
speciesSenna rugosa
Senna villosa
speciesSenna villosa

Senna pachyrrhiza
speciesSenna pachyrrhiza

Smooth Senna
speciesSenna sulfurea

Senna aphylla
speciesSenna aphylla

Senna venusta
speciesSenna venusta

Gaudichaud's senna
speciesSenna gaudichaudii

Senna hayesiana
speciesSenna hayesiana

Fire bush
speciesSenna pleurocarpa

Senna crassiramea
speciesSenna crassiramea
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the old herbals & bestiaries

Elements of Botany
Joseph Pitton de Tournefort · 1719 · p.141

Introductio Generalis in Rem Herbariam
Augustus Quirinus Rivinus · 1690 · p.525

Commentaries on the Six Books of Pedanius Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1565 · p.954

The Great Herbary with all the figures of the herbs
1532 · p.295

Notable Commentaries on the History of Plants
Leonhart Fuchs · 1542 · p.481

Book of Herbs
Hieronymus Bock (Tragus) · 1546 · p.769

Notable Commentaries on the History of Plants
Leonhart Fuchs · 1549 · p.478

Notable Commentaries on the History of Plants
Leonhart Fuchs · 1549 · p.479

On the Names of Plants
Hieronymus Bock (Tragus) · 1552 · p.1036

Commentaries on the Six Books of Dioscorides
Pietro Andrea Mattioli · 1560 · p.570

Commentaries on the Six Books of Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1563 · p.514

Hortus Eystettensis
Basilius Besler · 1640 · p.23
In the stacks
Searching the stacks…
Every page naming Senna in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 52348.