font settings and languages

Font Size: Large | Normal | Small
Font Face: Verdana | Geneva | Georgia
Languages:

Astragalus amnis-amissi

(Custer Milkvetch)

Overview

[ Back to top ]

Vulnerable

Threat status

Interesting Facts

[ Back to top ]
 

Common Names

[ Back to top ]

Common Names in English:

Custer Milkvetch, Lost River Milk-Vetch

Description

[ Back to top ]

Genus Astragalus

Herbs, undershrubs or shrubs . Leaf paripinnate or imparipinnate , rarely unifoliolate or digitately trifoliolate ; leaflets entire, stipels absent; stipulate . Inflorescence racemose, spicate umbellate or solitary; peduncles generally axillary . Flowers bracteate ; bracteoles present or absent; pedicellate or sessile, violet or purple to white or pale yellow. Calyx tubular , teeth subequal . Vexillum ovate , obovate , oblong , panduriform or sometimes appendiculate Wing and keel generally with long claws . Stamens diadelphous , vexillary stamen free, rest (9) united , anthers uniform . Ovary sessile or stipitate , glabrous or pubescent ; style straight or incurved , stigma mostly terminal , sometimes penicillate . Fruit sessile or stipitate, 2-valved, unilocular , partly or completely bilocular by an intrusive membrane . Seed often reniform .

Astragalus is one of the biggest Angiospermous genera with about 1600 species widely distributed in the Old and the New World. In Pakistan it is represented by about 135 species.[1]

Physical Description

Habit: Herb • Climbing: Not Climbing

Flowers: Bloom Period: March, April, May.

Biology

[ Back to top ]

Reproduction

Duration: Perennial

Growth

Soil: Minimum pH: 6.1 • Maximum pH: 7.5

Sunlight: Sun Exposure: Full Sun .

Temperature: Cold Hardiness: 4a, 4b, 5a, 5b, 6a, 6b. (map)

Taxonomy

[ Back to top ]

Notes

Publishing author : Barneby in C.L.Hitchc. Publication : Vasc. Pl. Pacific NorthW. [C.L. Hitchcock & al.] 3: 219 1961

Name Status: Accepted Name .

Comment: Climbing : Not climbing, Habit: Herb, Lifespan: Perennial

Similar Species

[ Back to top ]

Members of the genus Astragalus

ZipcodeZoo has pages for 667 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them:

A. aboriginum (Indian Milk-Vetch) · A. aboriginum var. aboriginum (Indian Milk-Vetch) · A. accidens (Rogue River Milk-Vetch) · A. accidens var. accidens (Rogue River Milkvetch) · A. accidens var. hendersonii (Henderson's Milkvetch) · A. accumbens (Zuni Milk-Vetch) · A. ackermanii (Ackerman's Milk-Vetch) · A. acutirostris (Beaked Milk-Vetch) · A. adanus (Boise Milkvetch) · A. adsurgens (Rattle Milk-Vetch) · A. adsurgens var. tananaicus (Standing Milkvetch) · A. aequalis (Clokey Milk-Vetch) · A. agnicidus (Humboldt County Milkvetch) · A. agrestis (Cock's-Head) · A. albens (Cushenbury Milk-Vetch) · A. albulus (Cibola Milkvetch) · A. allochrous (Halfmoon Milkvetch) · A. allochrous var. playanus (Halfmoon Milkvetch) · A. allotricholobus (Astragal Inachevolosistobobovy) · A. alopecurus (Fuchsschwanz Tragant) · A. alpinus (Alpen Tragant) · A. alpinus alpinus (Alpine Milkvetch) · A. alpinus alpinus var. alpinus (Alpine Milkvetch) · A. alpinus var. brunetianus (Alpine Milk-Vetch) · A. alpinus subsp. alaskanus (Astragal Alpiyski Alaskinski) · A. alpinus subsp. arcticus (Astragal Alpiyski Arkticheski) · A. altus (Tall Milkvetch) · A. alvordensis (Alvord Milk-Vetch) · A. amblytropis (Challis Milk-Vetch) · A. americanus (American Milk-Vetch) · A. amnis-amissi (Custer Milkvetch) · A. amphioxys (Crescent Milkvetch) · A. amphioxys var. amphioxys (Crescent Milkvetch) · A. amphioxys var. modestus (Crescent Milkvetch) · A. amphioxys var. vespertinus (Aladdin Slippers) · A. ampullarius (Gumbo Milkvetch) · A. andersonii (Anderson's Milkvetch) · A. anisus (Gunnison Milkvetch) · A. anserinus (Goose Creek Milkvetch) · A. anxius (Troubled Milkvetch) · A. applegatei (Applegate's Milk-Vetch) · A. aquilonius (Lemhi Milk-Vetch) · A. arenarius (Arenarious Milk-Vetch) · A. argophyllus (Dana Milkvetch) · A. argophyllus var. argophyllus (Silverleaf Milkvetch) · A. argophyllus var. martinii (Silver-Leaf Milkvetch) · A. argophyllus var. panguicensis (Silverleaf Milkvetch) · A. aridus (Annual Desert Milkvetch) · A. arizonicus (Arizona Locoweed) · A. arrectus (Palouse Milk-Vetch) · A. arthurii (Arthur Milk-Vetch) · A. asclepiadoides (Bird Milk-Vetch) · A. asymmetricus (Horse Locoweed) · A. atratus (Darwin Mesa Milkvetch) · A. atratus var. atratus (Mourning Milkvetch) · A. atratus var. inseptus (Fairfield Milkvetch) · A. atratus var. owyheensis (Owyhee Milk-Vetch) · A. atropubescens (Hangingpod Milkvetch) · A. austiniae (Austin Milk-Vetch) · A. australis (Indian Milk-Vetch) · A. beathii (Beath Milk-Vetch) · A. beatleyae (Beatley Milk-Vetch) · A. beckwithii (Beckwith's Milk-Vetch) · A. beckwithii var. beckwithii (Beckwith's Milkvetch) · A. beckwithii var. purpureus (Beckwith's Milkvetch) · A. beckwithii var. sulcatus (Beckwith's Milkvetch) · A. beckwithii var. weiserensis (Weiser's Milkvetch) · A. bernardinus (Lesser Threekeel Milkvetch) · A. bibullatus (Guthrie's Ground-Plum) · A. bicristatus (Crested Milkvetch) · A. bisulcatus (Two Groove Milkvetch) · A. bisulcatus var. haydenianus (Hayden Milkvetch) · A. bisulcatus var. major (Twogrooved Milkvetch) · A. bisulcatus var. nevadensis (Nevada Milkvetch) · A. bodinii (Bodin Milkvetch) · A. bodinii var. bodinii (Bodin´s Milk-Vetch) · A. bolanderi (Bolander's Milkvetch) · A. bourgovii (Bourgeau's Milk-Vetch) · A. brandegeei (Brandegee Milk-Vetch) · A. brauntonii (Braunton's Milkvetch) · A. brazoensis (Brazos Milkvetch) · A. breweri (Brewer Milkvetch) · A. californicus (Klamath Basin Milk-Vetch) · A. callithrix (Callaway Milkvetch) · A. calycosus (King's Milkvetch) · A. calycosus var. calycosus (Torrey Milkvetch) · A. calycosus var. mancus (Torrey´s Milk-Vetch) · A. calycosus var. monophyllidius (One-Leaflet Torrey Milk-Vetch) · A. calycosus var. scaposus (Torrey Milkvetch) · A. camptopus (Bruneau Milkvetch) · A. canadensis (Canada Milkvetch) · A. canadensis var. brevidens (Canada Milkvetch) · A. canadensis var. mortonii (Morton's Canadian Milkvetch) · A. caricinus (Buckwheat Milkvetch) · A. casei (Case's Milkvetch) · A. castaneiformis (Chestnut Milk-Vetch) · A. castetteri (Castetter Milk-Vetch) · A. ceramicus (Painted Milk-Vetch) · A. ceramicus var. apus (Painted Milk-Vetch) · A. ceramicus var. ceramicus (Painted Milkvetch)

More Info

[ Back to top ]

Further Reading

[ Back to top ]

Notes

[ Back to top ]

Contributors

Data Sources

Accessed through GBIF Data Portal February 28, 2008:

Identifiers

Footnotes

  1. "Astragalus". in Flora of Pakistan page 121. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 7/15/2012