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Oxalis triangularis

 

Love Plant, Purple Shamrock, False Shamrock

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
OrderGeranialesBalsams, mustards, geraniums, wood sorrels, nasturtiums, others
FamilyOxalidaceaeWood sorrels
GenusOxalisWood sorrels (Oxalis means “sour”)
SpeciestriangularisWith three angles

About plant names...

False shamrock is a Brazilian native, not found in the wild in North America. (It is possible that this plant [Oxalis triangularis] and Oxalis regnellii are the same plant.)

Identification: This member of the woodsorrel family is a popular house plant in North America, though it can also be grown outside in the zones shown in the range map. Plants reach 8" (20 cm) in height, sporting deep purple, triangular leaves in groups of three, draped from tips of delicate stems like purple parasols. (Some varieties have bluer leaves, or leaves composed of purple and black.) Flowers are white to pink, with five petals, about ¾" (1.9 cm) in diameter.

Oxalis triangularis (Love Plant, Purple Shamrock, False Shamrock)

Variegated purple shamrock and its flowers.

Online References:

Oxalis triangularis on Wikipedia

Oxalis triangularis on www.indoor-plant-care.com

Oxalis triangularis on Wikimedia Commons

Oxalis triangularis on Plants for a Future, a resource and information centre for edible and otherwise useful plants

Oxalis triangularis (Love Plant, Purple Shamrock, False Shamrock)

6/17/2012 · Coastal Maine Botanical Gardens, Boothbay, ME
≈ 7 × 4½" (17 × 11 cm)

Oxalis triangularis (Love Plant, Purple Shamrock, False Shamrock)

6/17/2012 · Coastal Maine Botanical Gardens, Boothbay, ME
≈ 6 × 4" (15 × 10 cm)

Oxalis triangularis (Love Plant, Purple Shamrock, False Shamrock)

2/4/2005

Oxalis triangularis description by Thomas H. Kent, last updated 16 Aug 2013.

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Oxalis triangularis (Love Plant, Purple Shamrock, False Shamrock)

2/26/2012 · Joy and Jim’s, Manfield, MA
≈ 8 × 5" (19 × 13 cm)

Oxalis triangularis (Love Plant, Purple Shamrock, False Shamrock)

8/29/2010 · Joy and Jim’s, Mansfield, MA
≈ 11 × 7" (27 × 18 cm)

Oxalis triangularis (Love Plant, Purple Shamrock, False Shamrock)

6/17/2012 · Coastal Maine Botanical Gardens, Boothbay, ME
≈ 6 × 4" (15 × 10 cm)

Oxalis triangularis (Love Plant, Purple Shamrock, False Shamrock)

6/17/2012 · Coastal Maine Botanical Gardens, Boothbay, ME
≈ 6 × 4" (15 × 10 cm)

Oxalis triangularis (Love Plant, Purple Shamrock, False Shamrock)

2/26/2012 · Joy and Jim’s, Manfield, MA
≈ 2 × 2½" (5.7 × 6.9 cm)

Range: Zones 8a-11:

About this map...