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Comprehensive Description

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Celosia floribunda A. Gray, Proc. Am. Acad. 5: 167. 1861
Shrub 4 m. high or less, much branched; branches stout, striate, green or glaucous, glabrous, at least up to the inflorescence; petioles 1-4 cm. long, often margined or winged nearly to the base; leaf -blades 3-18 cm. long, 5-9 cm. wide, from triangular-ovate and nearly entire or subhastate to narrowly oblong and subhastate or even linear, the basal lobes rounded, the blades acutish to rounded at the apex, obtuse to acute at the base and often decurrent, subcoriaceous, prominently reticulate-veined, deep-green or yellowish-green, usually glabrous on the upper surface, scabro-puberulent beneath ; flowers very numerous, sessile in slender, loosely flowered spikes 2-15 cm. long and 3-4 mm. thick, these aggregate in a dense corymbiform panicle 7-25 cm. high, the rachises of the inflorescence sparsely puberulent; bracts roundedovate, one third to one half as long as the sepals, rounded at the apex; sepals oval or oblong, 2 mm. long, rounded at the apex, thin, stramineous or whitish, not carinate, faintly nerved; stamens 5, slightly exceeding the ovary; style short, equaling or shorter than the ovary, much shorter than the utricle; stigmas 3, longer than the style; utricle globose, equaling or slightly exceeding the sepals; seeds 2-4, rotund, 1.2 mm. in diameter, black or dark-brown, smooth, shining.
Type locality: Vicinity of Cape San I/ticas, Lower California. Distribution: Southern Lower California.
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bibliographic citation
Paul Carpenter Standley. 1917. (CHENOPODIALES); AMARANTHACEAE. North American flora. vol 21(2). New York Botanical Garden, New York, NY
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North American Flora

Celosia floribunda

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Celosia floribunda is a shrub or a small tree of the family Amaranthaceae which is endemic to Baja California Sur.[2] It reaches a maximum height of 4 m (13 ft) The type specimen was collected by John Xantus from Cabo San Lucas in Baja California Sur in 1859 and described by Asa Gray in the Proceedings of the American Academy of Arts and Sciences Volume 5 published in 1861.[3]

Description

Celosia floribunda is a small tree or shrub with greyish-green striated upper branches which are smooth below the inflorescence. The leaves grow in lines and are very variable in size and shape with the width varying from 0.5 cm to 11 cm and the length from shape being oblong subhastate or triangularly oval tapering to a point, wedge shaped or rounded at the base with a prominent network of veins with a rough pubescent underside and hairless above. The petioles are 8–40 mm long and frequently have a thin flange of tissue along their length. The abundant flowers are sessile and arranged in long, slender loose spikes which are aggregated in dense panicles up to 30 cm in length, the sepals of the flowers are 2 mm long, papery white or straw coloured with faint venation and include 5 stamens, The stigma are round and brown in colour. Each flower produces 2–4 blackish seeds which are 1.2 mm in diameter.[4]

Ecology

Celosia floribunda is found in gravel plains and washes.[4] The adult spider wasp Tachypompilus ferrugineus uses the flowers of C. floribunda as a nectar source.[5] It flowers from March to October.[4]

Distribution

Celosia floribunda is endemic to the southern and central parts of the peninsula of Baja California in Mexico.[4]

References

  1. ^ "Celosia floribunda A.Gray". Intermountain Regional Herbarium Network. Retrieved 1 September 2016.
  2. ^ "Celosia floribunda A.Gray". GBIF. Retrieved 1 September 2016.
  3. ^ "Celosia floribunda A. Gray". Encyclopedia of Life. Retrieved 17 February 2017.
  4. ^ a b c d Shreeve, Forrest; Wiggins, Loren (1964). Vegetation and Flora of the Sonoran Desert, Volume 1. Stanford University Press. pp. 455–456. ISBN 0804701636.
  5. ^ Wasbauer, L.S.; Kimsey, L.S. (1985). "California Spider Wasps of the Subfamily Pompilinae (Hymenoptera: Pompilidae)" (PDF). Bulletin of the California Insect Survey. 26: 1–128.
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Celosia floribunda: Brief Summary

provided by wikipedia EN

Celosia floribunda is a shrub or a small tree of the family Amaranthaceae which is endemic to Baja California Sur. It reaches a maximum height of 4 m (13 ft) The type specimen was collected by John Xantus from Cabo San Lucas in Baja California Sur in 1859 and described by Asa Gray in the Proceedings of the American Academy of Arts and Sciences Volume 5 published in 1861.

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