View source for Hibiscus biseptus

{{Treatment/ID
|accepted_name=Hibiscus biseptus
|accepted_authority=S. Watson
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=21: 418. 1886
|year=1886
}}
|common_names=Arizona rose-mallow
|basionyms=
|synonyms=
|hierarchy=Malvaceae;Malvaceae subfam. Malvoideae;Hibiscus;Hibiscus biseptus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Malvaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Malvaceae subfam. Malvoideae]]</div><div class="higher-taxon"><small>genus</small>[[Hibiscus]]</div><div class="higher-taxon"><small>species</small>[[Hibiscus biseptus]]</div></div>
|volume=Volume 6
|mention_page=page 255
|treatment_page=page 258
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism some measurement;whole_organism growth form;herbage architecture;herbage pubescence;herbage quantity;hair architecture;hair arrangement or shape;hair architecture or arrangement"><b>Subshrubs,</b> to 1 m, herbage sparsely simple and stellate-hairy throughout, few to many-armed stellate hairs 2–3-dimensionally radiate.</span> <span class="statement" id="st-d0_s1" data-properties="line shape;hair architecture;hair width;hair course"><b>Stems </b>also with a line of simple, fine, curved hairs decurrent from leaf base and extending from node to node.</span> <span class="statement" id="st-d0_s2" data-properties="stipule shape;stipule atypical some measurement;stipule some measurement"><b>Leaves:</b> stipules narrowly triangular, (4–) 5–10 mm;</span> <span class="statement" id="st-d0_s3" data-properties="petiole quantity;blade variability;hair width;hair course">petiole 1/2 to ± equaling blade, with fine curved hairs adaxially;</span> <span class="statement" id="st-d0_s4" data-properties="blade shape;blade shape;blade shape;blade length;blade width;base shape;margin architecture or shape;margin architecture or shape;apex shape;lobe shape;margin architecture or shape;margin architecture or shape;surface relief;nectary presence">blade transversely to broadly ovate, 3 (–5) -lobed or parted, mostly 2–8.5 × 3–9 cm, base broadly cuneate to truncate or rounded or cordate, margins irregularly and sometimes doubly serrate or crenate-serrate, apex acute to short-acuminate, lobes narrowly elliptic to lanceolate, margins entire basally, coarsely serrate distally, surfaces scabridulous abaxially, less so adaxially, nectary present abaxially on midvein near base.</span> <span class="statement" id="st-d0_s5" data-properties="flower architecture or arrangement or growth form"><b>Inflorescences </b>solitary flowers in axils of distal leaves.</span> <span class="statement" id="st-d0_s6" data-properties=""><b>Pedicels </b>obscurely jointed below apices, to 17.5 cm, usually exceeding subtending leaves, sometimes much elongated;</span> <span class="statement" id="st-d0_s7" data-properties="pedicel architecture;pedicel some measurement;pedicel length;bractlet quantity;bractlet shape;bractlet some measurement;margin architecture or pubescence or shape">involucellar bractlets 8–12, linear-subulate, 1.5–2.5 cm, margins ciliate.</span> <span class="statement" id="st-d0_s8" data-properties="flower orientation"><b>Flowers </b>horizontal to ascending;</span> <span class="statement" id="st-d0_s9" data-properties="calyx size;calyx shape;involucel shape;involucel length;involucel shape;involucel atypical some measurement;involucel some measurement;involucel variability;involucel variability;fruit coloration;lobe shape;margin architecture or pubescence or shape;apex shape;nectary presence">calyx neither accrescent nor inflated, it and involucel in fruit tinged basally with pink or purple, divided 4/5+ length, broadly campanulate, (1.4–) 2–2.8 cm, equaling or usually exceeding involucel, lobes narrowly lanceolate-triangular, margins ciliate, apices attenuate, nectaries absent;</span> <span class="statement" id="st-d0_s10" data-properties="corolla shape;petal coloration;petal prominence;petal presence;petal shape;petal length;petal width;line coloration;margin architecture or shape;margin pubescence">corolla rotate, petals cream [white], with maroon lines or spot basally, these sometimes faint or absent, asymmetrically obovate to broadly obovate, 3–4.5 × 1.8–2.6 cm, margins ± entire, sparingly hairy abaxially where exposed in bud;</span> <span class="statement" id="st-d0_s11" data-properties="staminal column course;staminal column coloration;staminal column coloration;staminal column some measurement;portion fusion;portion architecture;portion some measurement">staminal column straight, pale-yellow or maroon, 1.1–1.5 cm, bearing filaments throughout, free portion of filaments not secund, 1.5–2.5 mm;</span> <span class="statement" id="st-d0_s12" data-properties="pollen coloration">pollen yellow to orange-red;</span> <span class="statement" id="st-d0_s13" data-properties="style coloration;style some measurement">styles white to maroon, 1–2 mm;</span> <span class="statement" id="st-d0_s14" data-properties="stigma coloration">stigmas white to maroon.</span> <span class="statement" id="st-d0_s15" data-properties="capsule reflectance;capsule coloration;capsule shape;capsule some measurement;capsule height or length or size;medial stripe coloration;apex architecture or shape;apex pubescence"><b>Capsules </b>dull yellow-green with darker medial stripe on each valve, ovoid to subglobose, 1–1.5 cm, much shorter than calyces, apex apiculate, glabrous.</span> <span class="statement" id="st-d0_s16" data-properties="zone prominence;zone coloration"><b>Seeds </b>dark-brown, angulately reniform-ovoid, strongly depressed laterally, 2.5–3.5 mm, silky-hairy dorsally, glabrous laterally, with slightly raised pale-yellow zone near hilum.</span> <span class="statement" id="st-d0_s17" data-properties="seed coloration;seed shape;seed shape;seed some measurement;seed pubescence;seed pubescence;2n chromosome quantity">2n = 22 (Mexico: Sinaloa).</span><!--

-->{{Treatment/Body
|phenology=Flowering Aug–Oct.
|habitat=Desert scrub and grasslands
|elevation=800–2300 m
|distribution=Ariz.;Mexico (Baja California);Mexico (Chihuahua);Mexico (Jalisco);Mexico (Nayarit);Mexico (Sinaloa);Mexico (Sonora)
|discussion=<p>Hibiscus biseptus is known from the southern Arizona counties of Maricopa, Pima, Pinal, and Santa Cruz.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Hibiscus biseptus
|authority=S. Watson
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Malvaceae
|phenology=Flowering Aug–Oct.
|habitat=Desert scrub and grasslands
|elevation=800–2300 m
|distribution=Ariz.;Mexico (Baja California);Mexico (Chihuahua);Mexico (Jalisco);Mexico (Nayarit);Mexico (Sinaloa);Mexico (Sonora)
|reference=None
|publication title=Proc. Amer. Acad. Arts
|publication year=1886
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V6/V6_464.xml
|subfamily=Malvaceae subfam. Malvoideae
|genus=Hibiscus
|species=Hibiscus biseptus
|2n chromosome quantity=22
|apex architecture or shape=apiculate
|apex pubescence=glabrous
|apex shape=attenuate;acute;short-acuminate
|base shape=broadly cuneate;truncate or rounded or cordate
|blade length=2cm;8.5cm
|blade shape=parted;3(-5)-lobed;ovate
|blade variability=equaling
|blade width=3cm;9cm
|bractlet quantity=8;12
|bractlet shape=linear-subulate
|bractlet some measurement=1.5cm;2.5cm
|calyx shape=inflated
|calyx size=accrescent
|capsule coloration=yellow-green
|capsule height or length or size=much shorter
|capsule reflectance=dull
|capsule shape=ovoid;subglobose
|capsule some measurement=1cm;1.5cm
|corolla shape=rotate
|flower architecture or arrangement or growth form=solitary
|flower orientation=horizontal;ascending
|fruit coloration=tinged basally with pink or tinged basally with purple
|hair architecture=simple;many-armed
|hair architecture or arrangement=radiate
|hair arrangement or shape=stellate
|hair course=curved;curved
|hair width=fine;fine
|herbage architecture=simple
|herbage pubescence=stellate-hairy
|herbage quantity=few
|involucel atypical some measurement=1.4cm;2cm
|involucel shape=campanulate;divided
|involucel some measurement=2cm;2.8cm
|involucel variability=usually exceeding involucel;equaling
|line coloration=maroon
|line shape=decurrent
|lobe shape=lanceolate-triangular;narrowly elliptic;lanceolate
|margin architecture or pubescence or shape=ciliate;ciliate
|margin architecture or shape=entire;serrate;entire;crenate-serrate;serrate
|margin pubescence=hairy
|medial stripe coloration=darker
|nectary presence=absent;absent
|pedicel architecture=jointed
|pedicel length=elongated
|pedicel some measurement=0cm;17.5cm
|petal coloration=cream
|petal length=3cm;4.5cm
|petal presence=absent
|petal prominence=faint
|petal shape=asymmetrically obovate;broadly obovate
|petal width=1.8cm;2.6cm
|petiole quantity=1/2
|pollen coloration=yellow;orange-red
|portion architecture=not secund
|portion fusion=free
|portion some measurement=1.5mm;2.5mm
|seed coloration=dark-brown
|seed pubescence=glabrous;silky-hairy
|seed shape=depressed;reniform-ovoid
|seed some measurement=2.5mm;3.5mm
|staminal column coloration=maroon;pale-yellow
|staminal column course=straight
|staminal column some measurement=1.1cm;1.5cm
|stigma coloration=white;maroon
|stipule atypical some measurement=4mm;5mm
|stipule shape=triangular
|stipule some measurement=5mm;10mm
|style coloration=white;maroon
|style some measurement=1mm;2mm
|surface relief=scabridulous
|whole_organism growth form=subshrub
|whole_organism some measurement=0m;1m
|zone coloration=pale-yellow
|zone prominence=raised
}}<!--

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