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Arnebia decumbens (Vent.) Coss. & Kral.

Life Expectancy

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Annual.

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Comments

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Differs from the subspecies macrocalyx (Coss and Kral) Riedl from S. Iran, in which the lower half of fruiting calyx is white tubercled. Z. Ali 5624 from Pishin (Quetta) has a similar calyx
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of Pakistan Vol. 0: 61 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of Pakistan @ eFloras.org
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S. I. Ali & M. Qaiser
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eFloras.org
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Description

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Annual ± erect, 3.5-17 (-30) cm tall. Roots with a purplish dye. Stem branched from the base, yellowish. Hairs stiff, spreading, up to 2.5 mm long, inter-mixed with shorter and softer antrorsely subappresed hairs; longer hairs with a distinct swollen base; basal leaves deciduous at length, 11-40 x 4-7 mm, cauline smaller, oblanceolate, obtuse, margin entire to ± revolute, base attenuate, hairy on both surfaces. Hairs up to 1.4 mm long. Inflorescence terminal and axillary, 30-40 mm long, congested, up to 170 mm is fruit and with flowers less crowded. Flowers yellow, bracteate; bracts leafy but narrower, hairy. Calyx 5-partite, 4-5 mm long, up to 17 mm in fruit. Fruiting calyx ± 5-angled, base c. 4.5 mm broad, prominently nerved; lobes linear, 6-7 mm long in fruit; longer hairs (up to 2.8 mm) stiff, inter-mixed with softer ones. Corolla tubular, infundibuliform, dense pubescent to the outside; tube 10-11 mm long, broader towards the top; lobes, ± obtuse. Anther 0.7-0.8 mm long, attached above the upper half of tube, but in groups at different levels. Style reaching up to upper half of corolla tube, twice forked. Stigmas 4, capitate. Nutlets 2-2.8 mm long, ovoid, beaked; beak tubercled, greyish to greyish-brown.
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cc-by-nc-sa-3.0
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of Pakistan Vol. 0: 61 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of Pakistan @ eFloras.org
editor
S. I. Ali & M. Qaiser
project
eFloras.org
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eFloras

Description

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Herbs annual. Roots containing a purple dye. Stems erect, branched from base, 10-30 cm tall, spreading long hispid; branches alternate or subopposite. Stem leaves sessile, linear-oblong to linear-lanceolate, 2-6 cm × 2-16 mm, sparsely hispid, apex obtuse. Calyx lobes linear, ca. 7 mm, to 1.2 cm in fruit, long hispid, short strigose, base extended and hardened, subtending nutlet. Corolla yellow, tubular-campanulate, 1-1.4 cm, pubescent outside; tube straight or slightly curved; limb 3-6 mm wide; lobes broadly ovate, subequal. Stamens spirally inserted at apex of corolla tube; anthers oblong, ca. 1 mm. Style filiform, nearly reaching throat, twice 2-cleft; stigma globose. Nutlets brown, triangular-ovoid, ca. 2 mm, densely tuberculate, adaxial center line prominent, abaxially convex, slightly wrinkled, apex nearly keeled. Fl. and fr. May-Jun. 2n = 8, 22.
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cc-by-nc-sa-3.0
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 16: 345 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
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eFloras.org
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Distribution

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Distribution: N. Africa, Syria, Caucasus, Iraq, Iran, Turkestan, Afghanistan, Pakistan, Pamir Alaj, Tien Shan, China.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of Pakistan Vol. 0: 61 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of Pakistan @ eFloras.org
editor
S. I. Ali & M. Qaiser
project
eFloras.org
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visit source
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eFloras

Flower/Fruit

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Fl. Per.: April-May.
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cc-by-nc-sa-3.0
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of Pakistan Vol. 0: 61 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of Pakistan @ eFloras.org
editor
S. I. Ali & M. Qaiser
project
eFloras.org
original
visit source
partner site
eFloras

Habitat & Distribution

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Mountain slopes, sand, wasteland. N Xinjiang [Afghanistan, Mongolia, Pakistan, Turkmenistan; N Africa, SW Asia, Europe].
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 16: 345 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
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eFloras

Synonym

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Lithospermum decumbens Ventenat, Descr. Pl. Nouv. 37, t. 37. 1800; L. cornutum Ledebour.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 16: 345 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Arnebia decumbens

provided by wikipedia EN

Arnebia decumbens (Ventenat) Cosson & Kralik[1] is a plant in the family Boraginaceae native to Europe and much of central and southeastern Asia. It is an annual herb with yellow flowers, growing on mountain slopes and sandy waste areas.[2][3]

References

  1. ^ Cosson & Kralik, Bull. Soc. Bot. France. 4: 402. 1857.
  2. ^ Flora of China, vol 16, page 345.
  3. ^ "Arnebia decumbens (Vent.) Coss. & Kralik".
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Arnebia decumbens: Brief Summary

provided by wikipedia EN

Arnebia decumbens (Ventenat) Cosson & Kralik is a plant in the family Boraginaceae native to Europe and much of central and southeastern Asia. It is an annual herb with yellow flowers, growing on mountain slopes and sandy waste areas.

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