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Property Organism Value Units ID Details
Estimated number of species in the orchid family (the most species-rich of all angiosperm families) Plant orchid 25000 Species 106653 Hsiao et al., Researches...
Age of the most recent common ancestor of extant orchids Plant orchid 76-84 Mya 106654 Hsiao et al., Researches...
Time required to finish the juvenile stage and flower from seed Plant orchid 4-7 Years 106655 Hsiao et al., Researches...
Number of plant species Plants ~350,000 (representing an estimated 80–90% of the global total) species 113395 Vellend M et al., Plant...
Estimated rates of plant extinction and speciation in the distant past (background), the recent past (Anthropocene), and the future (projected) Plants Table - link S/MSY (species per million species per year) 113398 Vellend M et al., Plant...
Composition of neutral sugars in pseudobulb Orchid Oncidium sp. Mannose 96.4%: arabinose 1.5%: galactose 0.9%: glucose 1.2% % 106656 Wang HL, Yeh KW, Chen PR...
Amount of DNA (1C-value, smallest of any plant) Plant Genlisea aurea 0.065 (Table - link) pg 110279 Dr. Ilia J. Leitch, Prof....
Fraction by which species richness is lower in agricultural land compared to minimally disturbed primary vegetation Plants ~30 % 113396 Vellend M et al., Plant...
Fraction of all angiosperms (flowering plants) that are asterids and rosids Plants asterids 41% rosids 24 % 116900 Arrivault S et al., ...
Speed of snapping - one of fastest movements in plant kingdom Plant Venus flytrap Dionaea muscipula 100 msec 106630 Forterre Y, Skotheim JM...
Estimated number of species of land plants Biosphere >450,000 species 113442 Pimm SL et al., The ...
Number of species that have been described as of 2015 Protists >100,000 species 114593 Soyer-Gobillard MO, Dolan...
Number of extant species Crustacea >52,000 species 117178 Thomas W. Cronin & Megan...
Plant DNA C-values Database Plants Database - link N/A 102726 Royal botanic gardens at Kew...
PPi concentration in plant cells Plants ~0.3 mM 108183 Leustek T, Saito K. Sulfate...
Number of flowering plant species Plants 250,000 to 400,000 Species 107611 Gruber CW et al., Di...
Total terrestrial plant biomass Biosphere 600-800 Pg Carbon 100820 Aquatic photosynthesis...
Overall frequency of plant species that hybridize Plants 0.09 hybrid combinations per nonhybrid species 113466 Yakimowski SB, Rieseberg...
Speed of communicating signal within plant Plants fastest ~1m/sec: slowest (some hormones) ~1cm/hour: most (thorough vascular system) 1-8mm/sec N/A 113538 Trewavas A. The foundations...
Fraction of plant species that hybridize Plants according to floristic surveys ~10: in a township in Massachusets ~3: in the British Isles ~25 % 113465 Yakimowski SB, Rieseberg...