Plant Image

Yavapai County Native & Naturalized Plants

Boerhavia erecta - erect spiderling

Plant Form: Forb

Family: Nyctaginaceae

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Forb Plant Description

Origin: Native   Life Cycle: Annual or perennial   Similar Species: Boerhavia intermedia
General Desc: Erect plant with leaves mostly in the basal half and with a branched, rounded inflorescence of tiny pink flowers.
Identification notes: The branched inflorescence is not elongated like most other Boerhavia species. It has some false umbels with pedicels (flower stalks) of unequal lengths. The fruits are without hairs.
Height: 8 to 47 inches


Habitat Description: Flats, slopes and woodlands. Disturbed soil and stream beds.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Riparian, Disturbed Areas
Elevation: 3000 - 5000 feet

Flower Characteristics

Color: White to pink     Shape: Regular in round clusters     Tubular: Y     Flowering Period: May - Dec
Description: Tiny 5-petaled white flowers tinged with pink in a branched, rounded inflorescence that has false umbels with flower stalks of unequal lengths.

Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Smooth     Leaf Attachment: Opposite     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Stems sometimes reddish-tinged. Leaves mostly in basal half; gland-dotted below.

Fruit and Seed Characteristics

Fruit Color: Pale greenish to light brown    
Fruit Type: Achene
Fruit Notes: Fruits with 5 narrow ridges and broad, wrinkled grooves. 1 to 11 fruits per cluster. Fruits are pale greenish to straw or tan (light brown).

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 7.0  
Last Updated: May 10, 2017  
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