Plant species

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apical spine

Listing 1 - 10 from 107 for apical spine

Angiosperm Families - Asphodelaceae Juss.
... without cross-venules. Lamina margins entire, or serrate, or dentate (and often with an apical spine). Leaf anatomy. Stomata present; anomocytic, or tetracytic, or paracytic (rarely). Lamina dorsiventral, or ... pistil 3 celled. Gynoecium syncarpous; eu-syncarpous; superior. Ovary 3 locular. Gynoecium stylate. Styles apical. Stigmas 1; dry type (usually), or wet type. Placentation axile. Ovules 2–40 ...
delta-intkey.com

The Cycad Pages
... dentate obscurely dentate with (lateral spines) lateral spines mm long apical spine distinct from lateral spines not distinct from lateral spines apical spine mm long seeds mm long sarcotesta red orange yellow orange-brown ... 3--6 mm long, apical spine 2--16 mm long -- Cycas yorkiana 5* Megasporophyll apex 50--55 mm long, with 22--24 lateral spines 1--4 mm long, apical spine 21--25 mm long ...
plantnet.rbgsyd.nsw.gov.au

Cycas aculeata
... mm wide, fertile zone 20-22 mm long, sterile apex 2-3 mm long, level, apical spine absent. The Cycad Pages The World List References and Links Home 1998-2004 Royal Botanic ...
plantnet.rbgsyd.nsw.gov.au

Cycas angulata
... mm wide, fertile zone 30-40 mm long, sterile apex 15-20 mm long, level, apical spine prominent, sharply upturned, 20-30 mm long. Megasporophylls 25-50 cm long, grey-tomentose and ... dentate, with 34-50 pungent lateral spines 0.5-2 mm long, 1 mm wide, apical spine distinct from lateral spines, 12-38 mm long. Seeds ovoid, 45-60 mm long, 40 ...
plantnet.rbgsyd.nsw.gov.au

Cycas apoa
... inserted at 180 on rachis), tomentum shedding as leaf expands; terminated by a spine or paired leaflets; 4 mm long. Petiole 35-60 cm long, glabrous, spinescent ... ; microsporophyll lamina firm, not dorsiventrally thickened, apical spine prominent, sharply upturned. Megasporophyll lamina lanceolate, 35 mm long, 16 mm wide, obscurely dentate, apical spine distinct from lateral spines; ovules glabrous. ...
plantnet.rbgsyd.nsw.gov.au

Cycas arenicola
... , with brown tomentum persistent below; rachis consistently terminated by a spine. Petiole 25-35 cm long, pubescent, spinescent for 50-100% ... zone 15-20 mm long, sterile apex 6 mm long, level, apical spine prominent, sharply upturned, 5 mm long. Megasporophylls 15-20 cm ... 26 pungent lateral spines 0-1 mm long, 1 mm wide, apical spine distinct from lateral spines, 8 mm long. Seeds flattened-ovoid, ...
plantnet.rbgsyd.nsw.gov.au

Cycas armstrongii
... orange tomentum shedding as leaf expands; rachis usually terminated by a spine. Petiole 10-25(-35) cm long, glabrous, spinescent (usually), for 20 ... 24-28 mm long, sterile apex 4-6 mm long, level, apical spine prominent, sharply upturned, 7-10 mm long. Megasporophylls 13-22 cm ... pungent lateral spines 1-4 mm long, 1-2 mm wide, apical spine distinct from lateral spines, 10-25 mm long. Seeds flattened- ...
plantnet.rbgsyd.nsw.gov.au

Cycas arnhemica
... is not evident in other taxa from Arnhem Land, and the apical spine of the microsporophylls is more attenuate. Cataphylls are also short, soft ... 15-22 mm long, sterile apex 6-9 mm long, level, apical spine prominent, sharply upturned, 5-14 mm long. Megasporophylls 15-24 cm ... -26 pungent lateral spines 1-3 mm long, 1 mm wide, apical spine distinct from lateral spines, 8 mm long. Seeds flattened-ovoid, 28 ...
plantnet.rbgsyd.nsw.gov.au

Cycas badensis
... apex with fewer and shorter lateral spines and a shorter terminal spine, and somewhat less orange wool in the crown. Distinguished within ... , fertile zone 25 mm long, sterile apex 15 mm long, level, apical spine prominent, sharply upturned, 4 mm long. Megasporophylls 23-28 cm long, ... pungent lateral spines 1-4 mm long, 1-2 mm wide, apical spine distinct from lateral spines, 21-25 mm long, 5 mm wide ...
plantnet.rbgsyd.nsw.gov.au

Cycas balansae
... mm wide, fertile zone 14-28 mm long, sterile apex 2-4 mm long, level, apical spine absent. Megasporophylls 8-12 cm long, brown-tomentose; ovules 2-4, glabrous; lamina ovate, 40 ... pectinate, with 14-24 soft lateral spines 25-40 mm long, 2-3 mm wide, apical spine not distinct from lateral spines. Seeds ovoid, 25-27 mm long, 20 mm wide; sarcotesta ...
plantnet.rbgsyd.nsw.gov.au