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Laburnum anagyroides

Laburnum anagyroides Medik.

 

Golden Chain, Golden Rain

KingdomPlantaePlants, but not fungi, lichens, or algae (from Stearn’s Botanical Latin)
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderFabalesLegumes (pea and bean families)
FamilyFabaceaeLegume family (peas and beans)
GenusLaburnumAn old Latin name mentioned by Pliny for the broad-leaved bean trefoil, a species of Cytisus in the Fabaceae (Thanks to Umberto Quattrocchi)
SpeciesanagyroidesResembling genus Anagyris

About plant names...

Golden chain tree was introduced to North America in the early 1500s, favored for its radiant yellow hanging racemes of flowers.

Identification: Trees are 12-30' (3.7-9.1 m) in height, with few branches and a width of 9-12' (2.7-3.7 m). Leaves are 1¼-3" (3.3-7.6 cm), alternate, tripinnate. Flowers are plentiful bright yellow hanging racemes, 6-10" (15-25 cm) long. Individual flowers are bilaterally symmetrical, about ¾" (1.9 cm) in size. Flowers appear from May to June. Fruits resemble hanging clusters of pea pods.

Edibility: Poisonous Skull & Crossbones Seeds, which look somewhat similar to peas, are poisonous, containing the alkoloid cytisine. Produces nervousness, stomach and intestinal irritation with nausea, vomiting, and diarrhea; irregular pulse, convulsions, coma; may be fatal.

Online References:

Laburnum anagyroides on luirig.altervista.org

Laburnum anagyroides on plantillustrations.org (botanical illustrations)

Laburnum anagyroides on Wikimedia Commons

Laburnum anagyroides on apps.kew.org

Laburnum anagyroides on Erv Evans' site at the North Carolina State University College of Agriculture and Life Sciences

Laburnum anagyroides on Erv Evans' site at the North Carolina State University College of Agriculture and Life Sciences (toxicity information)

Laburnum anagyroides description by Thomas H. Kent, last updated 12 Nov 2013.

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Laburnum anagyroides (Golden Chain, Golden Rain)

5/27/2013 · Underwoods, Groton, MA
≈ 14 × 18" (35 × 46 cm)

Laburnum anagyroides (Golden Chain, Golden Rain)

5/27/2013 · Underwoods, Groton, MA
≈ 4½ × 3' (1.3 × 1 m)

Laburnum anagyroides (Golden Chain, Golden Rain)

5/27/2013 · Underwoods, Groton, MA
≈ 4½ × 3' (1.4 × 0.9 m)

Range: Zones 5-7:

About this map...