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Myrsine helleri

(Wahiawa Bog Colicwood)

Overview

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Critically Endangered

Threat status

Common Names

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Common Names in English:

Wahiawa Bog Colicwood

Description

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Family Myrsinaceae

Trees , shrubs , climbers [or rarely herbs]. Leaves simple , alternate, rarely opposite or whorled , without stipules, often glandular . Inflorescences terminal , axillary , or at apices of lateral branches, racemose (often paniculate ), corymbose , cymose , umbellate , or fascicled on scaly spur branches in leaf axils . Flowers bisexual or polygamous, rarely unisexual and plants polygamodioecious or dioecious, 4- or 5(or 6) -merous, actinomorphic . Sepals basally connate or free , persistent , usually glandular. Petals basally connate or rarely free, usually glandular. Stamens as many as and opposite to petals, usually adnate to base or throat of corolla tube , sometimes free, rarely united into a tube; anthers 2-celled, dorsifixed , dehiscing longitudinally or by apical slits or pores , rarely transversely septate ; filaments present or absent. Ovary superior, rarely inferior to half-inferior, 1-celled; placentation free-central , sometimes basal; ovules 1 to several in 11 to many rows , usually embedded in placenta, anatropous or semicampylotropous. Style 1; stigma simple or lobed . Fruit drupes with fleshy exocarp or capsules. Seeds 1 to many; endosperm fleshy or horny ; embryo x = 10-13, 23.

About 42 genera and more than 2,200 species: primarily in tropical and subtropical or warm temperate regions of both hemispheres; five genera and 120 species (51 endemic) in China.

Chinese genera of economic value include Ardisia (medicine, oil , edible, wild vegetables), Maesa (edible, tea, dye), Aegiceras (tannin, fine fuel), Embelia (vermifuge, edible), Myrsine (medicine, fine wood , tannin, fuel) .Jie Chen & John J. Pipoly, III "Myrsinaceae". in Flora of China Vol. 15 Page 1. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Genus Myrsine

Shrubs or small trees . Inflorescences axillary , umbellate or fascicled, on short scaly branchlets or spurs, bracteate . Flowers bisexual or unisexual and plants monoecious, dioecious, or polygamous, 4- or 5(or 6) -merous. Sepals nearly free or united to 1/2 length, imbricate, usually ciliate , punctate , persistent . Petals nearly free or rarely united to 1/2 their length, usually ciliate, glandular granulose , punctate. Filaments free or united at base , adnate to corolla, with apical free portions minute or absent; anthers ovate or reniform , rarely sagittate , 2-celled, dehiscing by longitudinal slits. Ovary glabrous or glabrescent ; ovules few, in 1 series. Fruit a globose or subovoid drupe, with somewhat fleshy exocarp and crusty or leathery endocarp, 1-seeded. Seeds occupying cavity ; endosperm horny , ruminate ; embryo cylindric , transverse .

Myrsine and Rapanea have traditionally been regarded as separate genera, especially in regional and local floras . However, when the two genera are examined on worldwide basis, the alleged differences between them do not hold . Myrsine and Rapanea are poorly represented in China, as evidenced by the presence of only 11 out of the approximately 300 species in the entire world. The Chinese species are easily assigned to Myrsine and Rapanea as traditionally circumscribed. For that reason, most Chinese authors prefer to maintain both genera."Myrsine". in Flora of China Vol. 15 Page 34. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Physical Description

Habit: Tree , Shrub

Biology

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Reproduction

Duration: Perennial

Taxonomy

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Unambiguous Synonyms

  1. Myrsine guianensis auct. non (Aubl.) Kuntze
  2. Rapanea guianensis auct. non Aubl.
  3. Rapanea punctata (Lam.) Lundell

Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000

Similar Species

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Members of the genus Myrsine

There are approximately 406 species in this genus. Here are just 100 of them:

M. achradifolia · M. acrantha · M. acuminata · M. acuta · M. adamsonii · M. affinis · M. africana (African Boxwood) · M. africana var. acuminata · M. africana var. glandulosa · M. africana var. retusa · M. allenii · M. altomontana · M. alyxifolia (Forest Colicwood) · M. alyxiifolia · M. amorosoana · M. andersonii · M. andina · M. angusta · M. angustifolia · M. apoensis · M. aquilonia · M. aralioides · M. ardisioides · M. arenaria · M. argentea · M. athruphyllum · M. athyrophyllum · M. aurantiaca · M. australis · M. avenis · M. baccata · M. badula · M. bahiensis · M. balansae · M. barthesia · M. benthamiana · M. berteroi · M. bifaria · M. bissei · M. borealis · M. borneensis · M. bottensis · M. brachyclada · M. brackenridgei · M. brasiliensis · M. brevis · M. brownii · M. bullata · M. buxifolia · M. caballeria · M. calcarata · M. campanulata · M. canariensis · M. capitellata · M. capororoca · M. carolinensis · M. cavaleriei · M. ceylanica · M. chaffanjoni · M. chaffanjonii · M. chathamica · M. cheesemanii · M. chevalieri · M. chiapensis · M. chisia · M. cicatricosa · M. ciliata · M. cipoensis · M. cochin-chinensis · M. coclensis · M. collina · M. collina var. falcata · M. congesta · M. cordata · M. coriacea (Leathery Colicwood) · M. coriacea nigrescens · M. coriacea reticulata · M. coriacea subsp. nigrescens · M. coriacea subsp. reticulata · M. costaricensis · M. coxii · M. crassa · M. crassifolia · M. cristalensis · M. cruciata · M. cryptophlebia · M. cubana · M. cupuliformis · M. daphnites · M. dasyphylla · M. degeneri (Summit Colicwood) · M. densiflora · M. dentata · M. denticulata (Bog Colicwood) · M. dependens · M. diazii · M. dilloniana · M. divaricata (Weeping Mapou) · M. dolabriformis · M. edulis

Bibliography

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More Info

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal February 02, 2008:

Identifiers

Footnotes

Last Revised: 2008-08-21