Difference between revisions of "Apocynum androsaemifolium"

From Puget Prairie Plants
(Seed)
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===Taxonomy===
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Kingdom: Plantae
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*(unranked): Angiosperms
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*(unranked): Eudicots
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*(unranked): Asterids
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*Order: Gentianales
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*Family: Apocynaceae
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*Genus: ''Apocynum''
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*Species: ''A. androsaemifolium''
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===Plant Description===
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A 2-5 ft. widely branching, bushy, perennial with opposite, oval leaves and small groups of tiny, pink, bell-shaped flowers near the branch tips. The flowers’ fragrance is reminiscent of lilac. Numerous small pink, nodding, bell-like flowers, fragrant and striped inside with deeper pink. Milky juice exudes from broken stems and leaves.
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These plants are relatives of the milkweeds. Indian Hemp (''A. cannabinum''), a slightly smaller species with erect clusters of greenish-white flowers, is also found in fields and is poisonous. Clasping-leaved Dogbane (''A. sibiricum''), found widely throughout the Northeast in sandy or gravelly habitats such as stream banks, has stalk-less or nearly stalk-less leaves.
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===Seed===
 
===Seed===
 
'''Abbreviation:''' APAN
 
'''Abbreviation:''' APAN

Revision as of 11:01, 16 April 2012

Taxonomy

Kingdom: Plantae

  • (unranked): Angiosperms
  • (unranked): Eudicots
  • (unranked): Asterids
  • Order: Gentianales
  • Family: Apocynaceae
  • Genus: Apocynum
  • Species: A. androsaemifolium

Plant Description

A 2-5 ft. widely branching, bushy, perennial with opposite, oval leaves and small groups of tiny, pink, bell-shaped flowers near the branch tips. The flowers’ fragrance is reminiscent of lilac. Numerous small pink, nodding, bell-like flowers, fragrant and striped inside with deeper pink. Milky juice exudes from broken stems and leaves. These plants are relatives of the milkweeds. Indian Hemp (A. cannabinum), a slightly smaller species with erect clusters of greenish-white flowers, is also found in fields and is poisonous. Clasping-leaved Dogbane (A. sibiricum), found widely throughout the Northeast in sandy or gravelly habitats such as stream banks, has stalk-less or nearly stalk-less leaves.


Seed

Abbreviation: APAN

Seed sample from: 2009

Average Measurement: 1.8 x 0.4 x 0.2

Measurement Range: L: 1.2 – 2.1, W: 0.2 – 0.5, D: 0.1 – 0.3

Features

Shape: Narrow at hilum end, and opposite apex. Seed somewhat flattened.

Color: Hilum white against brown seed body.

Surface: Longitudinally ribbed with small glossy globules. Seed lustrous.

Latitudinal Cross Section: elliptical APAN lat.png

Longitudinal Cross Section: elliptical Apan long.png